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Vulnerability record · CVE-2025-63417 · published 5 November 2025

CVE-2025-63417: Selfbest cross-site scripting vulnerability

SSelfbest · Selfbest

A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.

7.2 CVSS 3.1 High EPSS 0.23% · top 87.6% CWE-79 · Cross-site scripting
7.2CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://rohitchaudhary045.medium.com/cve-2025-63417-the-chatroom-compromise-stored-xss-in-selfbest-platform-f34ddcd984ea ExploitMitigationThird Party Advisory
https://rohitchaudhary045.medium.com/cve-2025-63417-the-chatroom-compromise-stored-xss-in-selfbest-platform-f34ddcd984ea ExploitMitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-63417), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.