CVE-2025-66309
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-01

Last updated on: 2025-12-03

Assigner: GitHub, Inc.

Description
This 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 1.11.0-beta.1, a Reflected Cross-Site Scripting (XSS) vulnerability was identified in the /admin/pages/[page] endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the data[header][content][items] parameter. This vulnerability is fixed in 1.11.0-beta.1.
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Meta Information
Published
2025-12-01
Last Modified
2025-12-03
Generated
2026-06-16
AI Q&A
2025-12-01
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66309
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
getgrav grav-plugin-admin to 1.10.50 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a Reflected Cross-Site Scripting (XSS) issue in the Grav admin plugin's /admin/pages/[page] endpoint. It allows attackers to inject malicious scripts into the data[header][content][items] parameter, which can then be executed in the context of the user's browser. This issue was present before version 1.11.0-beta.1 and has been fixed in that version.

Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of the user's browser, potentially leading to unauthorized actions, data theft, session hijacking, or other malicious activities within the Grav admin interface. It can compromise the security and integrity of the application and its users.

Mitigation Strategies

Upgrade the Grav admin plugin to version 1.11.0-beta.1 or later, as this version contains the fix for the Reflected Cross-Site Scripting (XSS) vulnerability in the /admin/pages/[page] endpoint.

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