CVE-2026-6735
Published:May 10, 2026
Updated:May 16, 2026
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.
Affected Packages
https://github.com/php/php-src.git (GITHUB):
Affected version(s) >=php-8.3.0 <php-8.3.31Fix Suggestion:
Update to version php-8.3.31https://github.com/php/php-src.git (GITHUB):
Affected version(s) >=php-8.5.0 <php-8.5.6Fix Suggestion:
Update to version php-8.5.6https://github.com/php/php-src.git (GITHUB):
Affected version(s) >=php-8.4.0 <php-8.4.21Fix Suggestion:
Update to version php-8.4.21https://github.com/php/php-src.git (GITHUB):
Affected version(s) >=php-8.2.0 <php-8.2.31Fix Suggestion:
Update to version php-8.2.31Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.03