CVE-2026-44737 MEDIUM

CVE-2026-44737: grav-plugin-admin: Stored Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][title]

Vendor Getgrav
Product grav-plugin-admin
Weakness CWE-79 · XSS
Published May 11, 2026
Last update May 11, 2026

CVSS base score

6.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

What the vulnerability does

01Description

grav-plugin-admin is the admin plugin for Grav is an HTML user interface that provides a convenient way to configure Grav and easily create and modify pages. Prior to 1.10.49.5, the application fails to properly validate and sanitize user input in the data[header][title] parameter. As a result, attackers can craft a malicious URL with an XSS payload. When this URL is accessed, the injected script is reflected back in the HTTP response and executed within the context of the victim's browser session. This vulnerability is fixed in 1.10.49.5.

Key dates

02Disclosure timeline

May 11, 2026 CVE published
May 11, 2026 Record updated