Grav CMS 1.6.30 with Admin Plugin 1.9.18 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the page title field. Attackers can create a new page with a malicious script in the title, which will be executed when the page is viewed in the admin panel or on the site.
Advisories

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Fixes

Solution

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Workaround

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History

Mon, 26 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 26 Jan 2026 18:00:00 +0000

Type Values Removed Values Added
Description Grav CMS 1.6.30 with Admin Plugin 1.9.18 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the page title field. Attackers can create a new page with a malicious script in the title, which will be executed when the page is viewed in the admin panel or on the site.
Title Grav CMS 1.6.30 Admin Plugin 1.9.18 - 'Page Title' Persistent Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-26T21:09:56.648Z

Reserved: 2026-01-26T14:18:25.794Z

Link: CVE-2020-36955

cve-icon Vulnrichment

Updated: 2026-01-26T21:09:50.890Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-26T18:16:26.137

Modified: 2026-01-27T14:59:34.073

Link: CVE-2020-36955

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses