Really Simple Security: known security problems
13 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 13 known security problems on this page. Each one has a fixed version. Updating to version 9.8.3 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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A stranger could slow down or crash your site (up to and including 9.8.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.8.2
- Fixed in
- 9.8.3
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.3 or newer.
- Official ID
- CVE-2026-88798
- Report title
- Really Simple Security (Free) <= 9.8.2 - Unauthenticated Unbounded Option Growth
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 9.8.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.8.1
- Fixed in
- 9.8.2
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.2 or newer.
- Official ID
- CVE-2026-82519
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.1 - Missing Authorization to 2FA Bypass
- First reported
- Sources
- Wordfence, seen
A stranger could take over your site as an admin (up to and including 9.8.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.8.0
- Fixed in
- 9.8.1
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.1 or newer.
- Official ID
- CVE-2026-89080
- Report title
- Really Simple Security <= 9.8.0 - Unauthenticated Two-Factor Authentication Bypass
- First reported
- Sources
- Wordfence, seen
A stranger could take over your site as an admin (up to and including 9.8.0) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.8.0
- Fixed in
- 9.8.1
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.1 or newer.
- Official ID
- CVE-2026-84777
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.0 - Unauthenticated Two-Factor Authentication Bypass
- First reported
- Sources
- Wordfence, seen
A stranger could slow down or crash your site (up to and including 9.8.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.8.0
- Fixed in
- 9.8.1
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.1 or newer.
- Official ID
- CVE-2026-84775
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.0 - Unauthenticated Denial of Service
- 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 9.8.0
- Fixed in
- 9.8.0
- What to do
- If your site has an affected version, update Really Simple Security to version 9.8.0 or newer.
- Official ID
- CVE-2026-81766
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) < 9.8.0 - Authenticated (Custom Role+) Remote Code Execution
- First reported
- Sources
- Wordfence, seen
Someone could take over your site as an admin (up to and including 9.5.10.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.5.10.0
- Fixed in
- 9.5.10.1
- What to do
- If your site has an affected version, update Really Simple Security to version 9.5.10.1 or newer.
- Official ID
- CVE-2026-8293
- Report title
- Really Simple Security <= 9.5.10.0 - Two Factor Authentication Bypass
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 9.5.10)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.5.10
- Fixed in
- 9.5.10.1
- What to do
- If your site has an affected version, update Really Simple Security to version 9.5.10.1 or newer.
- Official ID
- CVE-2026-48970
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.10 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 9.5.9)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.5.9
- Fixed in
- 9.5.10
- What to do
- If your site has an affected version, update Really Simple Security to version 9.5.10 or newer.
- Official ID
- CVE-2026-48969
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.9 - Missing Authorization
- First reported
- Sources
- Wordfence, seen
Someone could do things on your site they should not be allowed to (up to and including 9.5.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.5.7
- Fixed in
- 9.5.8
- What to do
- If your site has an affected version, update Really Simple Security to version 9.5.8 or newer.
- Official ID
- CVE-2026-32461
- Report title
- Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.7 - Missing Authorization
- 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 9.1.4
- Fixed in
- 9.2.0
- What to do
- If your site has an affected version, update Really Simple Security to version 9.2.0 or newer.
- Official ID
- CVE-2025-24623
- Report title
- Really Simple SSL <= 9.1.4 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could take over your site as an admin (from 9.0.0 up to and including 9.1.1.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- From 9.0.0 up to and including 9.1.1.1
- Fixed in
- 9.1.2
- What to do
- If your site has an affected version, update Really Simple Security to version 9.1.2 or newer.
- Official ID
- CVE-2024-10924
- Report title
- Really Simple Security (Free, Pro, and Pro Multisite) 9.0.0 - 9.1.1.1 - Authentication Bypass
- First reported
- Sources
- Wordfence, seen
Someone could make your server visit other addresses on their behalf
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 7.2.3
- Fixed in
- 8.0.0
- What to do
- If your site has an affected version, update Really Simple Security to version 8.0.0 or newer.
- Official ID
- CVE-2024-31229
- Report title
- Really Simple SSL <= 7.2.3 - Authenticated (Admin+) Server-Side Request Forgery
- 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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