What’s Vulnerable › Vulnerabilities

CVE-2023-1920: WP Fastest Cache <= 1.1.2 - Cross-Site Request Forgery via 'wpfc_purgecache_varnish_callback'

• 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: 2023-04-06 · updated 2026-06-17
• Weakness: CWE-352

Description

The WP Fastest Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.2. This is due to missing or incorrect nonce validation on the wpfc_purgecache_varnish_callback function. This makes it possible for unauthenticated attackers to purge the varnish cache via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• emrevona WP Fastest Cache – WordPress Cache Plugin: through 1.1.2

References

• https://plugins.trac.wordpress.org/changeset/2893158/wp-fastest-cache/trunk/wpFastestCache.php?contextall=1
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c8e90994-3b5c-4ae6-a27f-890a9101b440?source=cve
• https://plugins.trac.wordpress.org/changeset/2893158/wp-fastest-cache/trunk/wpFastestCache.php?contextall=1
• https://www.wordfence.com/threat-intel/vulnerabilities/id/c8e90994-3b5c-4ae6-a27f-890a9101b440?source=cve

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