Vulnerability Description
The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/siteseo/tags/1.2.6/main/advanced.php#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b8c7cca2-94d2-4a86-bc6
FAQ
What is CVE-2025-9277?
CVE-2025-9277 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 due to insufficient in...
How severe is CVE-2025-9277?
CVE-2025-9277 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-9277?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.