CVE-2025-12367: Access Control Flaw (CVSS 4.3)

Description

The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 1.3.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with Author-level access and above, to enable or disable arbitrary SiteSEO features that they should not have access to.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-285 CWE-285

References

Other References

https://plugins.trac.wordpress.org/browser/siteseo/tags/1.3.1/main/ajax.php#L340 https://plugins.trac.wordpress.org/changeset/3387094/siteseo/trunk/main/ajax.php?contextall=1 https://www.wordfence.com/threat-intel/vulnerabilities/id/54535bef-23c3-4045-bb37-ba28ae5461b1?source=cve

Frequently Asked Questions

What is CVE-2025-12367? +

The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 1.3.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with Author-level access and above, to enable or disable arbitrary SiteSEO features that they should not have access to. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-12367? +

CVE-2025-12367 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-12367? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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