Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method. The media URL fragment is concatenated unescaped into rawHtml source elements, allowing attackers to inject arbitrary HTML and JavaScript that executes in viewers' sessions.

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History

Tue, 18 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 18 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Description Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the audio and video media rendering through the sourceParsedownElement method. The media URL fragment is concatenated unescaped into rawHtml source elements, allowing attackers to inject arbitrary HTML and JavaScript that executes in viewers' sessions.
Title Grav before 2.0.15 Stored XSS via audio/video source URL
First Time appeared Getgrav
Getgrav grav
Weaknesses CWE-79
CPEs cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*
Vendors & Products Getgrav
Getgrav grav
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N'}

cvssV4_0

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


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-18T13:55:32.341Z

Reserved: 2026-08-18T10:57:39.580Z

Link: CVE-2026-75831

cve-icon Vulnrichment

Updated: 2026-08-18T13:55:04.712Z

cve-icon NVD

Status : Received

Published: 2026-08-18T12:19:33.100

Modified: 2026-08-18T14:18:10.730

Link: CVE-2026-75831

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T12:45:06Z

Weaknesses