CVE-2025-44136: Maptiler Tileserver PHP

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

MapTiler Tileserver-php v2.0 is vulnerable to Cross Site Scripting (XSS). The GET parameter "layer" is reflected in an error message without html encoding. This leads to XSS and allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victim's browser.

Affected products

• Maptiler Tileserver PHP: version 2.0 only

Published 2025-07-29. Last modified 2026-06-17.