CVE-2026-13342 — MEDIUM (5.3)

Vulnerability Description

The Security Optimizer WordPress plugin from 1.5.8 to 1.6.4 does not correctly validate requests to its optional IP-based login restriction feature, allowing the restriction to be bypassed so that unauthenticated requests from non-allowlisted IP addresses can reach and use the login form, defeating the access control the administrator configured.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-693

References

https://wpscan.com/vulnerability/ab14b11c-96ab-4d07-89e0-1d67e4314267/

FAQ

What is CVE-2026-13342?

CVE-2026-13342 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The Security Optimizer WordPress plugin from 1.5.8 to 1.6.4 does not correctly validate requests to its optional IP-based login restriction feature, allowing the restriction to be bypassed so that una...

How severe is CVE-2026-13342?

CVE-2026-13342 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13342?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.