CVE-2021-24788: The Batch Cat WordPress plugin through 0.3 defines 3 custom AJAX actions, which both require authentication bu
CVE-2021-24788 is a medium-severity flaw (CVSS 6.5) affecting batch cat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Batch Cat WordPress plugin through 0.3 defines 3 custom AJAX actions, which both require authentication but are available for all roles. As a result, any authenticated user (including simple subscribers) can add/set/delete arbitrary categories to posts.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2021-11-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-24788?
batch cat: upgrade to newer than 0.3. Exact commands for each OS are on this page.
Is CVE-2021-24788 being exploited?
CVE-2021-24788 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-24788 affect?
CVE-2021-24788 affects batch cat. Severity is medium (CVSS 6.5). The Batch Cat WordPress plugin through 0.3 defines 3 custom AJAX actions, which both require authentication but are available for all roles. As a result, any authenticated user (including simple subscribers) can add/set/delete arbitrary cat
How urgent is CVE-2021-24788?
Priority 43/100. Public exploit reference