CVE-2026-12042

Summary

The WP2Social Auto Publish plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.4.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/f0886893-9cfd-44cb-8940-03dd99d4c574?source=cve
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.12/admin/settings.php#L534
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.12/admin/ajax-actions.php#L39
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.12/admin/ajax-actions.php#L46
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/settings.php#L534
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/ajax-actions.php#L39
• https://plugins.trac.wordpress.org/browser/facebook-auto-publish/tags/2.4.11/admin/ajax-actions.php#L46
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3650775%40facebook-auto-publish&new=3650775%40facebook-auto-publish

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