TI-2025-39304 Aliases CVE-2025-63416 GHSA-7gqw-xrp6-92rg

exclusively-hosted-service A Stored Cross-Site Scripting (XSS) vulnerability in the…

HIGH 78CWE-79Published 2025-11-05 · Updated 2025-11-05

Key facts

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

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

Summary

** 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00392 33rd 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-2025-63416
2026-10-03 Alias added: GHSA-7gqw-xrp6-92rg

References

Exploit 1

https://rohitchaudhary045.medium.com/cve-2025-63416-the-admin-panel-heist-stored-xss-to-privilege-escalation-b4c69d8487f1

Other 1

https://self.best

TI-2025-39305 A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the… CVSS 3.1HIGH 7.2
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