CVE-2026-6735

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, 8.5.* before 8.5.6, due to improper sanitation of user data, it allows an attacker to compose an URL, which will cause the target to execute arbitrary JavaScript code (XSS) on the target's machine when the target is viewing the PHP-FPM status page.

Score

CVSS 4.0 7.3 High

Status

Analyzed - security@php.net

Published

2026-05-10

Last modified

2026-05-11

Weaknesses

CWE-79

Affected products

• Php (Php)
• Php (Php Group)

References

• https://github.com/php/php-src/security/advisories/GHSA-7qg2-v9fj-4mwv