What’s Vulnerable › Vulnerabilities

CVE-2025-13749: Clearfy <= 2.4.0 - Cross-Site Request Forgery to Update Notification Tampering

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-09 · updated 2026-06-17
• Weakness: CWE-352

Description

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.

Affected products

• creativemotion Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer: through 2.4.0

References

• https://plugins.trac.wordpress.org/changeset/3421009/clearfy
• https://research.cleantalk.org/cve-2025-13749/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/55750dcf-c6ec-4be6-967f-60bf940fa30e?source=cve

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