Yoast SEO – Advanced SEO with real-time guidance and built-in AI: known security problems
20 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 20 known security problems on this page. Each one has a fixed version. Updating to version 28.1 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
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Someone with an author account on your site 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 28.0
- Fixed in
- 28.1
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 28.1 or newer.
- Official ID
- CVE-2026-15425
- Report title
- Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name)
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could see private information they should not see
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 26.5
- Fixed in
- 26.6
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 26.6 or newer.
- Official ID
- CVE-2025-14481
- Report title
- Yoast SEO <= 26.5 - Insecure Direct Object Reference to Authenticated (Contributor+) Sensitive Information Exposure via 'post_id' Parameter
- 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 27.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 27.1.1
- Fixed in
- 27.2
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 27.2 or newer.
- Official ID
- CVE-2026-3427
- Report title
- Yoast SEO <= 27.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'jsonText' Block Attribute
- 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 26.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 26.8
- Fixed in
- 26.9
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 26.9 or newer.
- Official ID
- CVE-2026-1293
- Report title
- Yoast SEO <= 26.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'yoast-schema' Block Attribute
- 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 22.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 22.6
- Fixed in
- 22.7
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 22.7 or newer.
- Official ID
- CVE-2024-4984
- Report title
- Yoast SEO <= 22.6 - 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 22.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 22.5
- Fixed in
- 22.6
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 22.6 or newer.
- Official ID
- CVE-2024-4041
- Report title
- Yoast SEO <= 22.5 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 21.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 21.0
- Fixed in
- 21.1
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 21.1 or newer.
- Official ID
- CVE-2023-40680
- Report title
- Yoast SEO <= 21.0 - Authenticated (Seo Manager+) 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 20.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 20.2
- Fixed in
- 20.2.1
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 20.2.1 or newer.
- Report title
- Yoast SEO <= 20.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (before 17.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 17.3
- Fixed in
- 17.3
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 17.3 or newer.
- Official ID
- CVE-2021-25118
- Report title
- Yoast SEO <= 17.2 - Full Path Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 11.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 11.5
- Fixed in
- 11.6-RC5
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 11.6-RC5 or newer.
- Official ID
- CVE-2019-13478
- Report title
- Yoast SEO <= 11.5 - Authenticated Stored Cross Site Scripting
- 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
- Up to and including 9.1.0
- Fixed in
- 9.2.0
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 9.2.0 or newer.
- Official ID
- CVE-2018-19370
- Report title
- Yoast SEO <= 9.1.0 - Race Condition to Remote Code Execution
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 5.7.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 5.7.1
- Fixed in
- 5.8.0
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 5.8.0 or newer.
- Official ID
- CVE-2017-16842
- Report title
- Yoast SEO <= 5.7.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 3.4.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 3.4.1
- Fixed in
- 3.4.1
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 3.4.1 or newer.
- Official ID
- CVE-2021-24153
- Report title
- Yoast SEO <= 3.4.0 - Authenticated 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 3.2.5)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.2.5
- Fixed in
- 3.3.0
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 3.3.0 or newer.
- Report title
- Yoast SEO <= 3.2.5 - Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 3.2.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.2.4
- Fixed in
- 3.2.5
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 3.2.5 or newer.
- Report title
- Yoast SEO <= 3.2.4 - Sensitive Data Exposure
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 2.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 2.1
- Fixed in
- 2.1
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 2.1 or newer.
- Report title
- Yoast SEO <= 2.0.1 - Reflected Cross-Site Scripting
- 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
- Up to and including 1.5.6
- From 1.6 up to and including 1.6.3
- From 1.7 up to and including 1.7.3
- Fixed in
- 1.5.7, 1.6.4, 1.7.4
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 1.7.4 or newer.
- Official ID
- CVE-2015-2292
- Report title
- Yoast SEO <= 1.7.3.3 - Blind SQL Injection
- 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 1.5.6
- From 1.6 up to and including 1.6.3
- From 1.7 up to and including 1.7.3.3
- Fixed in
- 1.5.7, 1.6.4, 1.7.4
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 1.7.4 or newer.
- Official ID
- CVE-2015-2293
- Report title
- Yoast SEO <= 1.7.3.3 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.4.6
- Fixed in
- 1.4.7
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 1.4.7 or newer.
- Report title
- Yoast SEO <= 1.4.6 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 2.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.1.1
- Fixed in
- 2.2
- What to do
- If your site has an affected version, update Yoast SEO – Advanced SEO with real-time guidance and built-in AI to version 2.2 or newer.
- Official ID
- CVE-2012-6692
- Report title
- Yoast SEO <= 2.1.1 - Cross Site Scripting via post_title parameter
- 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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