LOW · 2.7

CVE-2026-16957

The Slim SEO WordPress plugin before 4.9.11 does not restrict a post-meta preview feature to posts the user is allowed to edit, verifying only read access, allowing users with the Contributor role to...

Vulnerability Description

The Slim SEO WordPress plugin before 4.9.11 does not restrict a post-meta preview feature to posts the user is allowed to edit, verifying only read access, allowing users with the Contributor role to read arbitrary post meta, including protected and private keys, of published posts they do not own, including password-protected posts and posts of non-public post types.

CVSS Score

2.7

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-16957?

CVE-2026-16957 is a vulnerability with a CVSS score of 2.7 (LOW). The Slim SEO WordPress plugin before 4.9.11 does not restrict a post-meta preview feature to posts the user is allowed to edit, verifying only read access, allowing users with the Contributor role to...

How severe is CVE-2026-16957?

CVE-2026-16957 has been rated LOW with a CVSS base score of 2.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16957?

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