XSS in Selfbest
CVE-2025-63418
A DOM-based Cross-Site Scripting (XSS) vulnerability in the SelfBest platform 2023.3 allows attackers to execute arbitrary JavaScript in the context of a logged-in user's session by injecting payloads via the browser's developer console. The vulnerability arises from the application's client-side code being susceptible to direct DOM manipulation without adequate sanitization or a Content Security Policy (CSP), potentially leading to account takeover and data theft.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Selfbest — versions 2023.3
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2025-63418?
- CVE-2025-63418 is a medium-severity vulnerability in Selfbest, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-05.
- How severe is CVE-2025-63418?
- Medium severity. CVSS v3 base score is 6.1 out of 10.