CVE-2025-63416

critical · 9.1

** exclusively-hosted-service ** A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated low-privileged attackers to execute arbitrary JavaScript in the context of other users' sessions. This can be exploited to access administrative data and functions, leading to privilege escalation and full compromise of sensitive user data, as demonstrated by the ability to fetch and exfiltrate the contents of the /admin/users endpoint.

9.1

CVSS

0.4%

EPSS (exploit prob.)

30th

EPSS percentile

2025-11-05

Published

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

Weaknesses

CWE-79

Affected products

Vendor	Product	Affected versions
selfbest	selfbest	2023.3

Check a specific version with /api/v1/cve/match.

References

https://rohitchaudhary045.medium.com/cve-2025-63416-the-admin-panel-heist-stored-xss-to-privilege-escalation-b4c69d8487f1
https://self.best

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-63416