PT-2026-1711 · WordPress · Clearfy Cache

Dmitry Ignatyev · Published 2026-01-09 · Updated 2026-01-09 · CVE-2025-13749

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Clearfy Cache – WordPress optimization plugin versions prior to 2.4.1

Description The Clearfy Cache – WordPress optimization plugin is susceptible to a Cross-Site Request Forgery (CSRF) issue. This is caused by the absence of nonce validation within the wbcr upm change flag function. An unauthenticated attacker could potentially disable plugin or theme update notifications by manipulating a site administrator into performing an action, such as clicking a malicious link.

Recommendations Update Clearfy Cache – WordPress optimization plugin to version 2.4.1 or later.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2025-13749

Affected Products

Clearfy Cache

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-13749 · Security Note
• https://t.me/CVEtracker/41794 · Telegram Post
• https://plugins.trac.wordpress.org/changeset/3421009/clearfy · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/55750dcf-c6ec-4be6-967f-60bf940fa30e?source=cve · Note
• https://twitter.com/CVEnew/status/2009512192996155824 · Twitter Post
• https://research.cleantalk.org/cve-2025-13749 · Note