Auth bypass in Really Simple Security
CVE-2026-89080
The Really Simple Security WordPress plugin before 9.8.1 does not prevent an unauthenticated request from resetting an account's completed email two-factor enrolment, allowing an attacker who already knows the account's password to bypass the second factor and obtain that user's session, up to administrator.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Unknown Really Simple Security
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-89080?
- CVE-2026-89080 is a high-severity vulnerability in Really Simple Security, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-09-13.
- How severe is CVE-2026-89080?
- High severity. CVSS v3 base score is 7.5 out of 10.