Denial Of Service (DoS)

getgrav/grav is vulnerable to Denial of Service DoS. The vulnerability is due to improper input validation in the “Supported” parameter of the Languages submenu, which allows an attacker to supply malformed input that triggers a fatal regular expression parsing error via the pregmatch function...

CVE-2025-66305

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a Denial of Service DoS vulnerability was identified in the "Languages" submenu of the Grav admin configuration panel /admin/config/system. Specifically, the Supported parameter fails to properly validate user input. If a malformed value ...