Apocalypse Meow vulnerabilities
Plugin slug apocalypse-meow · 2 known vulnerabilities · latest disclosed 2026-03-04 · WordPress.org page
Every listed vulnerability has a fix. Version 23.0.0 or later is not affected by any of them. If your site runs an older version, update it.
1 of 2 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Apocalypse Meow
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.9 | <= 22.1.0 | 23.0.0 | CVE-2026-3523 | 2026-03-04 | Advisory |
| Critical 9.8 | 21.1.3 to 21.2.7 | 21.2.8 | none | 2017-12-03 | Advisory |
Check if a site is affected
Enter a site address to see which version of Apocalypse Meow and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Apocalypse Meow plugin safe to use?
All 2 known issues are fixed in current versions (23.0.0 or later). Keeping it updated is what matters.
How do I check which version of Apocalypse Meow 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.