Vulnerability Description
The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. 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/social-post-embed/tags/2.0.1/inc/thre
- https://plugins.trac.wordpress.org/browser/social-post-embed/tags/2.0.2/inc/thre
- https://plugins.trac.wordpress.org/browser/social-post-embed/tags/2.0.2/inc/thre
- https://plugins.trac.wordpress.org/browser/social-post-embed/tags/2.0.2/inc/thre
- https://plugins.trac.wordpress.org/browser/social-post-embed/trunk/inc/threads.p
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4c16841d-8878-4328-a5d
FAQ
What is CVE-2026-6809?
CVE-2026-6809 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input san...
How severe is CVE-2026-6809?
CVE-2026-6809 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-2026-6809?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.