CVE-2026-6735
Public on 2026-05-10
Modified on 2026-05-11
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.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | php | Pending Fix | ||
| Amazon Linux 2 - Php8.2 Extra | php | 2026-05-26 | ALAS2PHP8.2-2026-011 | Fixed |
| Amazon Linux 2023 | php8.1 | No Fix Planned | ||
| Amazon Linux 2023 | php8.2 | 2026-05-26 | ALAS2023-2026-1727 | Fixed |
| Amazon Linux 2023 | php8.3 | 2026-05-26 | ALAS2023-2026-1728 | Fixed |
| Amazon Linux 2023 | php8.4 | 2026-05-26 | ALAS2023-2026-1726 | Fixed |
| Amazon Linux 2023 | php8.5 | 2026-05-26 | ALAS2023-2026-1733 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | CVSSv3 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |