Simple History: known security problems
6 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 6 known security problems on this page. Each one has a fixed version. Updating to version 5.27.0 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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Anyone with an account on your site, even a basic one 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 5.26.0
- Fixed in
- 5.27.0
- What to do
- If your site has an affected version, update Simple History to version 5.27.0 or newer.
- Official ID
- CVE-2026-7459
- Report title
- Simple History – Track, Log, and Audit WordPress Changes <= 5.26.0 - Authenticated (Subscriber+) Account Takeover via Missing Authorization on Event Reaction Endpoint
- First reported
- Sources
- Wordfence, seen
A stranger 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 5.24.0
- Fixed in
- 5.24.1
- What to do
- If your site has an affected version, update Simple History to version 5.24.1 or newer.
- Official ID
- CVE-2026-39473
- Report title
- Simple History <= 5.24.0 - Unauthenticated Information Exposure
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account 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 5.8.1
- Fixed in
- 5.8.2
- What to do
- If your site has an affected version, update Simple History to version 5.8.2 or newer.
- Official ID
- CVE-2025-5760
- Report title
- Simple History <= 5.8.1 - Authenticated (Administrator+) Sensitive Information Exposure via Detective Mode
- 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 3.3.1
- Fixed in
- 3.4.0
- What to do
- If your site has an affected version, update Simple History to version 3.4.0 or newer.
- Official ID
- CVE-2022-45350
- Report title
- Simple History <= 3.3.1 - Authenticated (Subscriber+) CSV Injection
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 2.7.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 2.7.4
- Fixed in
- 2.7.5
- What to do
- If your site has an affected version, update Simple History to version 2.7.5 or newer.
- Report title
- Simple History Plugin < 2.7.5 - Sensitive Information Disclosure
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 1.0.7)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 1.0.7
- Fixed in
- 1.0.8
- What to do
- If your site has an affected version, update Simple History to version 1.0.8 or newer.
- Report title
- Simple History <= 1.0.7 - Sensitive Information Disclosure
- 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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