PT-2025-48567 · Unknown+1 · Grav Admin Plugin+1

Published 2025-12-01 · Updated 2025-12-04 · CVE-2025-66308

Positive Technologies (AI Summary)

CVSS v4.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.11.0-beta.1

Description The admin plugin for Grav, an HTML user interface for configuring Grav and managing pages, contains a Stored Cross-Site Scripting (XSS) issue. This allows attackers to inject malicious scripts into the data[taxonomies] parameter of the /admin/config/site API endpoint. The injected payload is stored on the server and executed in the browser of users accessing the site configuration, creating a persistent attack vector.

Recommendations Update to version 1.11.0-beta.1 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66308

GHSA-GQXX-248X-G29F

Affected Products

Grav

Grav Admin Plugin

References · 8

• 🔥 https://github.com/getgrav/grav/security/advisories/GHSA-gqxx-248x-g29f · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66308.json · Exploit
• https://github.com/getgrav/grav-plugin-admin/commit/99f653296504f1d6408510dd2f6f20a45a26f9b0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-66308 · Security Note
• https://osv.dev/vulnerability/CVE-2025-66308 · Vendor Advisory
• https://twitter.com/dailycve/status/1996394141870334385 · Twitter Post
• https://t.me/CVEtracker/38599 · Telegram Post
• https://twitter.com/CVEnew/status/1995622987115249674 · Twitter Post