CSRF in Chsxf Mcatfilter
CVE-2026-4139
The mCatFilter plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.5.2. This is due to the complete absence of nonce verification and capability checks in the compute_post() function, whic…
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Chsxf Mcatfilter — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-4139?
- CVE-2026-4139 is a medium-severity vulnerability in Chsxf Mcatfilter, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-04-22.
- How severe is CVE-2026-4139?
- Medium severity. CVSS v3 base score is 4.3 out of 10.