CVE-2025-51691_CVE-2025-51691

6.1 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Basic Information

ID CVE-2025-51691

Source mitre

Published Aug 13, 2025 at 00:00

Modified Aug 13, 2025 at 20:12

Affected Product

Vendor n/a

Product n/a

Version n/a

Affected Versions n/a n/a n/a

CWE Classification

CWE-79

References

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    "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.",
    "published": "2025-08-13T00:00:00.000Z",
    "modified": "2025-08-13T20:12:13.492Z",
    "type": "cve",
    "title": "CVE-2025-51691",
    "source": "mitre",
    "references": "https://marktwo.app/try-it-now\nhttps://github.com/anthonygarvan/marktwo\nhttps://github.com/0x72303074/CVE-Disclosures/tree/main/MarkTwo%20Markdown%20Editor/CVE-2025-51691",
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    "cvss": {
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