Auth bypass in Fsylum Fs Registration Password
CVE-2025-15001
The FS Registration Password plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.0.1. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.004 (28.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fsylum Fs Registration Password — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-15001?
- CVE-2025-15001 is a critical-severity vulnerability in Fsylum Fs Registration Password, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-01-06.
- How severe is CVE-2025-15001?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-15001 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.