Vulnerability · Published Sep 30, 2026 · Assigned by Patchstack

CVE-2026-94121WordPress 10Web Booster – Website speed optimization, Cache & Page Speed optimizer plugin <= 2.33.6 - PHP Object Injection vulnerability

High 8.8

In plain English

A high-severity unsafe deserialization in 10Web Booster – Website speed optimization, Cache & Page Speed optimizer from 10Web. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 68.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Contributor PHP Object Injection in 10Web Booster – Website speed optimization, Cache & Page Speed optimizer <= 2.33.6 versions.

Affected products (as reported)

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References