Auth bypass in Really Simple Security

CVE-2026-8293

The Really Simple Security WordPress plugin before 9.5.10.1 does not enforce the second-factor challenge in two of its two-factor authentication REST endpoints, allowing an attacker who knows a user's password to obtain a WordPress authen…

Vulnerability class: Broken Authentication

EPSS: 0.001 (20.8th percentile) — read the EPSS interpretation.

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 — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8293?
CVE-2026-8293 is a high-severity vulnerability in Really Simple Security, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-06-02.
How severe is CVE-2026-8293?
High severity. CVSS v3 base score is 7.5 out of 10.