Cross-Site Scripting (XSS) vulnerability found in MarkTwo commit e3a1d3f90cce4ea9c26efcbbf3a1cbfb9dcdb298 (May 2025) allows a remote attacker to execute arbitrary code via a crafted script input to the editor interface. The application does not properly sanitize user-supplied Markdown before rendering it. Successful exploitation could lead to session hijacking, credential theft, or arbitrary client-side code execution in the context of the victim's browser.
History

Thu, 14 Aug 2025 06:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 13 Aug 2025 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Wed, 13 Aug 2025 14:30:00 +0000

Type Values Removed Values Added
Description Cross-Site Scripting (XSS) vulnerability found in MarkTwo commit e3a1d3f90cce4ea9c26efcbbf3a1cbfb9dcdb298 (May 2025) allows a remote attacker to execute arbitrary code via a crafted script input to the editor interface. The application does not properly sanitize user-supplied Markdown before rendering it. Successful exploitation could lead to session hijacking, credential theft, or arbitrary client-side code execution in the context of the victim's browser.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-08-13T00:00:00.000Z

Updated: 2025-08-13T20:12:13.492Z

Reserved: 2025-06-16T00:00:00.000Z

Link: CVE-2025-51691

cve-icon Vulnrichment

Updated: 2025-08-13T20:12:03.142Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-13T15:15:35.027

Modified: 2025-08-13T20:15:30.700

Link: CVE-2025-51691

cve-icon Redhat

No data.