CVE-2026-85658: 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 doshortcode. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary shortcodes.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ProfilePress plugin for WordPress (Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content)to a version that resolves this vulnerability.Fixed in 4.17.2 - Compensating control
Until upgraded, restrict authenticated subscriber-level access (Subscribers and above) so only trusted users can access the profile/biography functionality that allows execution of the 'eup_bio' Biography Field shortcode bracket.
Event History
Frequently Asked Questions
Which users can exploit this issue?
Any authenticated user with Subscriber-level access or higher can exploit it. The issue is remotely reachable and does not require user interaction.
Which installations are affected?
All ProfilePress versions through 4.17.2 are affected, including version 4.17.2. The vulnerable processing occurs through the eup_bio biography field.
What can an attacker do after exploiting it?
An authenticated attacker can cause arbitrary WordPress shortcodes to be executed. The vulnerability is categorized as code injection and is rated high severity with high confidentiality and integrity impact.