Knight Squad Academy
Vulnerability advisory

CVE-2026-85658

Research by Md. Moniruzzaman Prodhan September 19, 2026
Overview

Summary

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.

Risk profile

CVSS assessment

8.1 · H I G H
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
N E T W O R K
Complexity
L O W
Privileges
L O W
User interaction
N O N E
Scope
U N C H A N G E D
Confidentiality
H I G H
Integrity
H I G H
Availability
N O N E
Classification

Weaknesses

  • Improper Control of Generation of Code ('Code Injection') CWE-94
Further reading

References

8 sources
  1. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Classes/EditUserProfile.php#L337
  2. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Functions/GlobalFunctions.php#L1715
  3. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/ShortcodeParser/Builder/FrontendProfileBuilder.php#L339
  4. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/ShortcodeParser/FrontendProfileTag.php#L133
  5. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-user-avatar/tags/4.17.2/src/Themes/DragDrop/ProfileFieldListing.php#L146
  6. plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3682604/wp-user-avatar/trunk/src/ShortcodeParser/Builder/FrontendProfileBuilder.php
  7. plugins.trac.wordpress.org 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
  8. www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/b8486d1d-8a76-446e-867b-8db32499ebf8?source=cve