Arbitrary Shortcode Exec in ProfilePress Plugin v4.17.2
CVE-2026-85658 Published on September 19, 2026
Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content <= 4.17.2 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'eup_bio' Biography Field (Entity-Encoded Shortcode Bracket)
The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content ProfilePress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 4.17.2 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary shortcodes.
Timeline
Vendor Notified
Disclosed 14 days later.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-85658 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-85658
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Affected Versions
properfraction Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress:- Before and including 4.17.2 is affected.