CVE-2025-6754: Auth Bypass (CVSS 8.8)

Description

The SEO Metrics plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization checks in both the seo_metrics_handle_connect_button_click() AJAX handler and the seo_metrics_handle_custom_endpoint() function in all versions up to, and including, 1.0.15. Because the AJAX action only verifies a nonce, without checking the caller’s capabilities, a subscriber-level user can retrieve the token and then access the custom endpoint to obtain full administrator cookies.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/seo-metrics-helper/trunk/common-functions.php https://plugins.trac.wordpress.org/browser/seo-metrics-helper/trunk/endpoint.php https://plugins.trac.wordpress.org/browser/seo-metrics-helper/trunk/seo-metrics.php https://plugins.trac.wordpress.org/browser/seo-metrics-helper/trunk/welcome-page.php https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3343566%40seo-metrics-helper&new=3343566%40seo-metrics-helper https://wordpress.org/plugins/seo-metrics-helper/#developers https://www.wordfence.com/threat-intel/vulnerabilities/id/48658b33-ae53-4919-8180-1188f72553f7?source=cve

Frequently Asked Questions

What is CVE-2025-6754? +

The SEO Metrics plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization checks in both the seo_metrics_handle_connect_button_click() AJAX handler and the seo_metrics_handle_custom_endpoint() function in all versions up to, and including, 1.0.15. Because the AJAX action only verifies a nonce, without checking the caller’s capabilities, a subscriber-level user can retrieve the token and then access the custom endpoint to obtain full administrator cookies. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-6754? +

CVE-2025-6754 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-6754? +

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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