CVEvulnerability

CVE-2025-51691

6.1 MEDIUM Published 2025-08-13 Modified 2026-06-17 Official page ↗

Status: Deferred
Published: 2025-08-13
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses: CWE-79

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.

Weakness · CWE (1)

CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References

https://github.com/0x72303074/CVE-Disclosures/tree/main/MarkTwo%20Markdown%20Editor/CVE-2025-51691 github.com
https://github.com/anthonygarvan/marktwo github.com
https://marktwo.app/try-it-now marktwo.app

CVE-2025-51691

Description

Related

Weakness · CWE (1)

References