CVE-2026-6735XSS within PHP-FPM status endpoint
Updated under an hour ago ()
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It affects PHP Group PHP and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 7.3 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:P/S:P/AU:Y/RE:L/U:Amber
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- php
- NVD analysis
- Analyzed
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
PHP Group PHP php_group:php (from the name) | from 8.2.* before 8.2.31; from 8.3.* before 8.3.31; from 8.4.* before 8.4.21; from 8.5.* before 8.5.6 | CNA record |
php php php:php | from 8.2.0 before 8.2.31; from 8.3.0 before 8.3.31; from 8.4.0 before 8.4.21; from 8.5.0 before 8.5.6 | NVD |
References
- https://github.com/php/php-src/security/advisories/GHSA-7qg2-v9fj-4mwvexploit, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.