CVE-2025-63417
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- selfbest/selfbest
- Source
- cve@mitre.org
References
- https://rohitchaudhary045.medium.com/cve-2025-63417-the-chatroom-compromise-stored-xss-in-selfbest-platform-f34ddcd984eaExploit, Mitigation, Third Party Advisory
- https://rohitchaudhary045.medium.com/cve-2025-63417-the-chatroom-compromise-stored-xss-in-selfbest-platform-f34ddcd984eaExploit, Mitigation, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.