CVE-2025-63416
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-05

Last updated on: 2025-11-07

Assigner: MITRE

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.
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Meta Information
Published
2025-11-05
Last Modified
2025-11-07
Generated
2026-06-16
AI Q&A
2025-11-05
EPSS Evaluated
2026-06-14
NVD
CVE-2025-63416
EUVD
EUVD-2025-37926
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
selfbest selfbest 2023.3
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the chat functionality of the SelfBest platform 2023.3. It allows authenticated users with low privileges to inject and execute arbitrary JavaScript code in other users' sessions. This means attackers can perform actions on behalf of other users, potentially accessing sensitive administrative data and functions.

Impact Analysis

The vulnerability can lead to privilege escalation and full compromise of sensitive user data. Attackers can exploit it to access administrative endpoints, such as /admin/users, and exfiltrate sensitive information. This can result in unauthorized data access and potential control over the platform.

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