CSRF in Creativemotion Clearfy Cache – WordPress Optimization Plugin, Minify HTML, CSS & Js, Defer

CVE-2025-13749

The Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.4.0. This is due to missing nonce validation on the "wbcr_upm_change_flag" function. This makes it possible for unauthenticated attackers to disable plugin/theme update notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (2.5th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13749?
CVE-2025-13749 is a medium-severity vulnerability in Creativemotion Clearfy Cache – WordPress Optimization Plugin, Minify HTML, CSS & Js, Defer, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-01-09.
How severe is CVE-2025-13749?
Medium severity. CVSS v3 base score is 4.3 out of 10.