Is CVE-2026-85657 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-85657?

CVE-2026-85657 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-85657

Description

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.