PT-2025-48568 · Grav · Grav Admin Plugin+1

Published 2025-12-01 · Updated 2025-12-04 · CVE-2025-66309

Positive Technologies (AI Summary)

CVSS v4.0

6.2

Medium

Base vector

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

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

Description The Grav admin plugin, an HTML user interface for configuring Grav and managing pages, contains a Reflected Cross-Site Scripting (XSS) issue. An attacker can inject malicious scripts through the data[header][content][items] parameter of the /admin/pages/[page] API endpoint.

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

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66309

GHSA-65MJ-F7P4-WGGQ

Affected Products

Grav

Grav Admin Plugin

References · 9

• 🔥 https://github.com/getgrav/grav/security/advisories/GHSA-65mj-f7p4-wggq · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66309.json · Exploit
• https://github.com/getgrav/grav-plugin-admin/commit/99f653296504f1d6408510dd2f6f20a45a26f9b0 · Patch
• https://osv.dev/vulnerability/CVE-2025-66309 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66309 · Security Note
• https://twitter.com/VulmonFeeds/status/1995673624171176086 · Twitter Post
• https://twitter.com/CVEnew/status/1995622986049880365 · Twitter Post
• https://twitter.com/dailycve/status/1996389000660271237 · Twitter Post
• https://t.me/CVEtracker/38600 · Telegram Post