Vulnerability in Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors — CVE-2026-85657

What to do now

Update Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors to 4.16.0 or later.

Affected versions

• Everything up to and including 4.15.0

The Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘profile_fields_user_email_value_prefix’ parameter in all versions up to, and including, 4.15.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user clicks on a link.

This description is reproduced verbatim from the public vulnerability record.

• https://plugins.trac.wordpress.org/browser/publishpress-authors/tags/4.15.0/src/modules/author-boxes/author-boxes.php#L2019
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d4cc9537-879c-4c12-8b76-60241b7a3420?source=cve

This page is compiled automatically from public databases. Accuracy is not guaranteed; confirm against the vendor advisory before acting.