Vulnerability · Published Sep 19, 2026 · Assigned by Wordfence
CVE-2026-85658Paid 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)
High 8.1
In plain English
A high-severity code injection in Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress from properfraction. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| properfraction | Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress | 0 – through 4.17.2 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b8486d1d-8a76-446e-867b-8db32499ebf8?source=cve
- https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/ShortcodeParser/Builder/FrontendProfileBuilder.php#L339
- https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/ShortcodeParser/FrontendProfileTag.php#L133
- https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Themes/DragDrop/ProfileFieldListing.php#L146
- https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Classes/EditUserProfile.php#L337
- https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Functions/GlobalFunctions.php#L1715
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3682619%40wp-user-avatar%2Ftags%2F4.17.3&old=3666803%40wp-user-avatar%2Ftags%2F4.17.2
- https://plugins.trac.wordpress.org/changeset/3682604/wp-user-avatar/trunk/src/ShortcodeParser/Builder/FrontendProfileBuilder.php