CVE-2026-6735

CVE Details

Release Date:	2026-05-10
Impact:	Moderate	What is this?

Description

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.

See more information about CVE-2026-6735 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.4
Vector String:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Version:	3.1
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	Low
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libzip)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php-pear)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php-pecl-apcu)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php-pecl-rrd)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php-pecl-xdebug3)	ELSA-2026-22305	2026-06-03
Oracle Linux version 8 (php-pecl-zip)	ELSA-2026-22305	2026-06-03