All in One SEO: known security problems
33 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 33 known security problems on this page. Each one has a fixed version. Updating to version 5.0.4 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
Get an email when your site is affected: install Watchfox AI (free)
A stranger could use it to harm your site (up to and including 5.0.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.0.3
- Fixed in
- 5.0.4
- What to do
- If your site has an affected version, update All in One SEO to version 5.0.4 or newer.
- Official ID
- CVE-2026-109367
- Report title
- All in One SEO <= 5.0.3 - Unauthenticated Sensitive Information Disclosure in 's' Search Query Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 5.0.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.0.2
- Fixed in
- 5.0.2.1
- What to do
- If your site has an affected version, update All in One SEO to version 5.0.2.1 or newer.
- Official ID
- CVE-2026-100152
- Report title
- All in One SEO <= 5.0.2 - Unauthenticated Arbitrary Shortcode Execution via 's' Search Query Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site (up to and including 5.0.2.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.0.2.0
- Fixed in
- 5.0.2.1
- What to do
- If your site has an affected version, update All in One SEO to version 5.0.2.1 or newer.
- Official ID
- CVE-2026-19856
- Report title
- All in One SEO <= 5.0.2.0 - Unauthenticated Arbitrary Shortcode Execution
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 5.0.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.0.1.1
- Fixed in
- 5.0.2
- What to do
- If your site has an affected version, update All in One SEO to version 5.0.2 or newer.
- Official ID
- CVE-2026-85492
- Report title
- All in One SEO <= 5.0.1.1 - Reflected DOM-Based Cross-Site Scripting via URL Pathname
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 5.0.0.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.0.0.0
- Fixed in
- 5.0.0.1
- What to do
- If your site has an affected version, update All in One SEO to version 5.0.0.1 or newer.
- Official ID
- CVE-2026-82884
- Report title
- All in One SEO <= 5.0.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (before 4.9.9)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 4.9.9
- Fixed in
- 4.9.9
- What to do
- If your site has an affected version, update All in One SEO to version 4.9.9 or newer.
- Official ID
- CVE-2026-10755
- Report title
- All in One SEO < 4.9.9 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could see private information they should not see (up to and including 4.9.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.9.7
- Fixed in
- 4.9.7.1
- What to do
- If your site has an affected version, update All in One SEO to version 4.9.7.1 or newer.
- Official ID
- CVE-2026-5075
- Report title
- All in One SEO <= 4.9.7 - Authenticated (Contributor+) Sensitive Information Exposure via 'internalOptions' Localized Script Data
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could do things on your site they should not be allowed to (up to and including 4.9.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.9.2
- Fixed in
- 4.9.3
- What to do
- If your site has an affected version, update All in One SEO to version 4.9.3 or newer.
- Official ID
- CVE-2025-14384
- Report title
- All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.9.2 - Missing Authorization to Authenticated (Contributor+) AI Access Token and Credit Disclosure
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could read or change the data in your site’s database
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.9.1
- Fixed in
- 4.9.1.1
- What to do
- If your site has an affected version, update All in One SEO to version 4.9.1.1 or newer.
- Official ID
- CVE-2025-67950
- Report title
- All In One SEO Pack <= 4.9.1 - Authenticated (Contributor+) SQL Injection
- First reported
- Sources
- Wordfence, seen
Anyone with an account on your site, even a basic one could use it to harm your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.8.6.1
- Fixed in
- 4.8.7
- What to do
- If your site has an affected version, update All in One SEO to version 4.8.7 or newer.
- Official ID
- CVE-2025-64295
- Report title
- All In One SEO Pack <= 4.8.6.1 - Authenticated (Subscriber+) Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could do things on your site they should not be allowed to (up to and including 4.8.9)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.8.9
- Fixed in
- 4.9.0
- What to do
- If your site has an affected version, update All in One SEO to version 4.9.0 or newer.
- Official ID
- CVE-2025-12847
- Report title
- All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic <= 4.8.9 - Missing Authorization to Authenticated (Contributor+) Arbitrary Media Deletion
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 4.8.7.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.8.7.1
- Fixed in
- 4.8.7.2
- What to do
- If your site has an affected version, update All in One SEO to version 4.8.7.2 or newer.
- Official ID
- CVE-2025-58650
- Report title
- All In One SEO Pack <= 4.8.7.1 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could see private information they should not see (up to and including 4.8.7.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.8.7.1
- Fixed in
- 4.8.7.2
- What to do
- If your site has an affected version, update All in One SEO to version 4.8.7.2 or newer.
- Official ID
- CVE-2025-58649
- Report title
- All In One SEO Pack <= 4.8.7.1 - Authenticated (Contributor+) Sensitive Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 4.8.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.8.1.1
- Fixed in
- 4.8.2
- What to do
- If your site has an affected version, update All in One SEO to version 4.8.2 or newer.
- Official ID
- CVE-2025-2892
- Report title
- All in One SEO Pack <= 4.8.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Description and Canonical URL
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 4.6.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.6.0
- Fixed in
- 4.6.1.1
- What to do
- If your site has an affected version, update All in One SEO to version 4.6.1.1 or newer.
- Official ID
- CVE-2024-3368
- Report title
- All in One SEO <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 4.6.0) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.6.0
- Fixed in
- 4.6.1.1
- What to do
- If your site has an affected version, update All in One SEO to version 4.6.1.1 or newer.
- Official ID
- CVE-2024-3554
- Report title
- All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic <= 4.6.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (up to and including 4.2.9)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.9
- Fixed in
- 4.3.0
- What to do
- If your site has an affected version, update All in One SEO to version 4.3.0 or newer.
- Official ID
- CVE-2023-0586
- Report title
- All in One SEO Pack <= 4.2.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.9
- Fixed in
- 4.3.0
- What to do
- If your site has an affected version, update All in One SEO to version 4.3.0 or newer.
- Official ID
- CVE-2023-0585
- Report title
- All in One SEO Pack <= 4.2.9 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 4.2.3.1
- Fixed in
- 4.2.4
- What to do
- If your site has an affected version, update All in One SEO to version 4.2.4 or newer.
- Official ID
- CVE-2022-38093
- Report title
- All in One SEO <= 4.2.3.1 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (from 4.0.0 up to and including 4.1.5.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 4.0.0 up to and including 4.1.5.2
- Fixed in
- 4.1.5.3
- What to do
- If your site has an affected version, update All in One SEO to version 4.1.5.3 or newer.
- Official ID
- CVE-2021-25036
- Report title
- All in One SEO 4.0.0 - 4.1.5.2 Authorization Bypass
- First reported
- Sources
- Wordfence, seen
Someone could read or change the data in your site’s database
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 4.1.3.1 up to and including 4.1.5.2
- Fixed in
- 4.1.5.3
- What to do
- If your site has an affected version, update All in One SEO to version 4.1.5.3 or newer.
- Official ID
- CVE-2021-25037
- Report title
- All in One SEO 4.1.3.1 - 4.1.5.2 - Authenticated SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone could run their own code on your site and take it over
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 4.1.0.2
- Fixed in
- 4.1.0.2
- What to do
- If your site has an affected version, update All in One SEO to version 4.1.0.2 or newer.
- Official ID
- CVE-2021-24307
- Report title
- All in One SEO <= 4.1.0.1 - Authenticated Code Injection
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins (before 3.6.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.6.2
- Fixed in
- 3.6.2
- What to do
- If your site has an affected version, update All in One SEO to version 3.6.2 or newer.
- Official ID
- CVE-2020-35946
- Report title
- All in One SEO Pack <= 3.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.2.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.2.6
- Fixed in
- 3.2.7
- What to do
- If your site has an affected version, update All in One SEO to version 3.2.7 or newer.
- Official ID
- CVE-2019-16520
- Report title
- All In One SEO Pack <= 3.2.6 - Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 2.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.10
- Fixed in
- 2.10
- What to do
- If your site has an affected version, update All in One SEO to version 2.10 or newer.
- Report title
- All in One SEO <= 2.9.1.1 - Authenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.3.8
- Fixed in
- 2.3.8
- What to do
- If your site has an affected version, update All in One SEO to version 2.3.8 or newer.
- Report title
- All in One SEO Pack <= 2.3.7 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 2.3.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.3.7
- Fixed in
- 2.3.7
- What to do
- If your site has an affected version, update All in One SEO to version 2.3.7 or newer.
- Report title
- All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic <= 2.3.6 - Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 2.2.6.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.2.6.2
- Fixed in
- 2.2.6.2
- What to do
- If your site has an affected version, update All in One SEO to version 2.2.6.2 or newer.
- Report title
- All in One SEO <= 2.2.6.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 2.2.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.2.6
- Fixed in
- 2.2.6
- What to do
- If your site has an affected version, update All in One SEO to version 2.2.6 or newer.
- Official ID
- CVE-2015-0902
- Report title
- All in One SEO <= 2.2.5.1 - Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 2.0.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.0.3
- Fixed in
- 2.0.3.1
- What to do
- If your site has an affected version, update All in One SEO to version 2.0.3.1 or newer.
- Official ID
- CVE-2013-5988
- Report title
- All in One SEO <= 2.0.3 - Cross-Site Scripting via Search Parameter
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 2.1.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.1.5
- Fixed in
- 2.1.6
- What to do
- If your site has an affected version, update All in One SEO to version 2.1.6 or newer.
- Report title
- All in One SEO <= 2.1.5 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 2.1.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.1.5
- Fixed in
- 2.1.6
- What to do
- If your site has an affected version, update All in One SEO to version 2.1.6 or newer.
- Report title
- All in One SEO <= 2.1.5 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could take over your site as an admin
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.2.4.1
- Fixed in
- 2.2.5
- What to do
- If your site has an affected version, update All in One SEO to version 2.2.5 or newer.
- Report title
- All in One SEO <= 2.2.4.1 - Privilege Escalation to Arbitrary Post Modification
- First reported
- Sources
- Wordfence, seen
Where this comes from
We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.
Get an email when your site is affected.
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