CVE-2026-6735 — XSS within PHP-FPM status endpoint

Affected: PHP Group PHP

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.

USN-8336-1 — php8.1, php8.3, php8.4, php8.5 vulnerabilities

Affected: Ubuntu:22.04:LTS: php8.1, Ubuntu:24.04:LTS: php8.3, Ubuntu:25.10: php8.4, Ubuntu:26.04:LTS: php8.5

Aleksey Solovev and Nikita Sveshnikov discovered that PHP improperly handled NUL bytes when preparing SQL queries in the PDO Firebird driver. An attacker could possibly use this issue to perform SQL injection attacks. (CVE-2025-14179)

It was discovered that PHP incorrectly handled certain encoding names in mbstring. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-6104)

It was discovered that PHP incorrectly handled object references while parsing crafted SOAP requests. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-6722)

It was discovered that PHP incorrectly sanitized certain data in the PHP-FPM status page. A remote attacker could possibly use this issue to inject arbitrary JavaScript code. (CVE-2026-6735)

It was discovered that PHP had an encoding mismatch in mbstring. An attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2026-7259)

It was discovered that PHP incorrectly handled SOAP session persistence after errors. A remote attacker could possibly use this issue to obtain sensitive information or cause PHP to crash, resulting in a denial of service. (CVE-2026-7261)

It was discovered that PHP incorrectly handled missing values in SOAP typemap decoding. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service.…

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CVE-2026-6735 — XSS within PHP-FPM status endpoint

USN-8336-1 — php8.1, php8.3, php8.4, php8.5 vulnerabilities