Anti-Spam, Spam FireWall by CleanTalk vulnerabilities
Plugin slug cleantalk-spam-protect · 20 known vulnerabilities · latest disclosed 2026-11-04 · WordPress.org page
Every listed vulnerability has a fix. Version 6.91 or later is not affected by any of them. If your site runs an older version, update it.
11 of 20 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Anti-Spam, Spam FireWall by CleanTalk
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.2 | <= 6.90 | 6.91 | CVE-2026-115673 | 2026-11-04 | Advisory |
| High 7.2 | <= 6.89.1 | 6.90 | CVE-2026-109198 | 2026-10-22 | Advisory |
| Medium 5.4 | <= 6.88 | 6.89 | CVE-2026-103424 | 2026-10-09 | Advisory |
| Medium 6.5 | < 6.87 | 6.87 | CVE-2026-19855 | 2026-09-07 | Advisory |
| High 7.2 | <= 6.86 | 6.87 | CVE-2026-77830 | 2026-09-04 | Advisory |
| High 7.2 | <= 6.82 | 6.83 | CVE-2026-65437 | 2026-07-27 | Advisory |
| High 7.2 | < 6.79 | 6.79 | CVE-2026-8071 | 2026-06-11 | Advisory |
| Critical 9.8 | <= 6.71 | 6.72 | CVE-2026-1490 | 2026-02-14 | Advisory |
| Critical 9.8 | <= 6.43.2 | 6.44 | CVE-2024-10542 | 2024-11-25 | Advisory |
| High 8.1 | <= 6.44 | 6.45 | CVE-2024-10781 | 2024-11-25 | Advisory |
| Medium 4.3 | <= 6.20 | 6.21 | CVE-2023-51696 | 2023-12-27 | Advisory |
| Medium 4.3 | <= 6.20 | 6.21 | CVE-2023-51535 | 2023-12-27 | Advisory |
| Medium 6.3 | <= 6.10 | 6.11 | CVE-2023-33996 | 2023-06-22 | Advisory |
| High 7.2 | <= 5.185 | 5.185.1 | CVE-2022-3302 | 2022-10-03 | Advisory |
| Medium 6.1 | <= 5.173 | 5.174.1 | CVE-2022-28222 | 2022-03-30 | Advisory |
| Medium 6.1 | <= 5.173 | 5.174.1 | CVE-2022-28221 | 2022-03-30 | Advisory |
| High 7.5 | <= 5.153.3 | 5.153.4 | CVE-2021-24295 | 2021-03-05 | Advisory |
| High 7.2 | < 5.149 | 5.149 | CVE-2021-24131 | 2020-11-20 | Advisory |
| Medium 6.1 | <= 5.127.3 | 5.127.4 | CVE-2019-17515 | 2019-11-12 | Advisory |
| Medium 6.1 | < 5.22 | 5.22 | none | 2015-08-25 | Advisory |
Check if a site is affected
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Questions
Is the Anti-Spam, Spam FireWall by CleanTalk plugin safe to use?
All 20 known issues are fixed in current versions (6.91 or later). Keeping it updated is what matters.
How do I check which version of Anti-Spam, Spam FireWall by CleanTalk my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.