TI-2025-39305 Aliases CVE-2025-63417 GHSA-v698-c6j4-6m42

A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the…

HIGH 71CWE-79Published 2025-11-05 · Updated 2025-11-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00246 15th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:selfbest:selfbest:2023.3:::::::*	2023.3	Vulnerable	Selfbest

cpe:2.3:a:selfbest:selfbest:2023.3:*:*:*:*:*:*:* Versions 2023.3 Vulnerable ·Selfbest

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-63417
2026-10-03 Alias added: GHSA-v698-c6j4-6m42

References

Exploit 1

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

TI-2025-39304 ** exclusively-hosted-service ** A Stored Cross-Site Scripting (XSS) vulnerability in the… CVSS 3.1CRITICAL 9.1
TI-2025-39306 A DOM-based Cross-Site Scripting (XSS) vulnerability in the SelfBest platform 2023.3… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences