9.1
/ 10
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
** 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.
AI Analysis
Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality
Basic Information
ID
CVE-2025-63416
Source
mitre
Published
Nov 5, 2025 at 00:00
Modified
Nov 5, 2025 at 19:08
Affected Product
Vendor
SelfBest
Product
SelfBest
Version
2023.3
Affected Versions
n/a n/a n/a
CWE Classification
AI Assessment
AI Score
9.1 / 10
AI Severity
Critical
Vendor
SelfBest
Product
SelfBest platform
Version
2023.3