Skip to main content

Speedup Optimization

1 CVEs product

Monthly

CVE-2026-4127 Mar 21, 03:26 MEDIUM This Month

The Speedup Optimization plugin for WordPress contains a missing authorization vulnerability in the `speedup01_ajax_enabled()` AJAX handler that fails to verify user capabilities or nonce tokens, allowing authenticated attackers with Subscriber-level privileges to enable or disable the site's optimization module. Affected versions include all releases up to and including 1.5.9, as documented by Wordfence. While the CVSS score of 5.3 is moderate, the vulnerability represents a clear authorization bypass that could allow low-privileged attackers to degrade site performance or disable security-relevant optimization features.

WordPress Authentication Bypass Speedup Optimization Wordpress Plugin
NVD
CVSS 3.1
4.3
EPSS
0.0%
EPSS 0% CVSS 4.3
MEDIUM This Month

The Speedup Optimization plugin for WordPress contains a missing authorization vulnerability in the `speedup01_ajax_enabled()` AJAX handler that fails to verify user capabilities or nonce tokens, allowing authenticated attackers with Subscriber-level privileges to enable or disable the site's optimization module. Affected versions include all releases up to and including 1.5.9, as documented by Wordfence. While the CVSS score of 5.3 is moderate, the vulnerability represents a clear authorization bypass that could allow low-privileged attackers to degrade site performance or disable security-relevant optimization features.

WordPress Authentication Bypass Speedup Optimization +1
NVD

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy