Really Simple Security: A security weakness
Really Simple Security is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is < 9.5.10.1.
- Component
- Really Simple Security
- Plugin slug
really-simple-security- Affected
- < 9.5.10.1
- Safe version
9.5.10.1- Published
- Jun 02, 2026
This CVE was published Jun 02, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Really Simple Security to 9.5.10.1 or later, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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 authentication session for that user without completing the email OTP challenge.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H