CVE-2026-3601: CWE-862 Missing Authorization in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
CVE-2026-3601 is a medium severity vulnerability in the wpeverest User Registration & Membership WordPress plugin up to version 5. 1. 4. It involves a missing authorization check in the embed_form_action() function, allowing authenticated users with Contributor-level access or higher to append shortcode content to pages they do not own or have permission to edit. This could lead to unauthorized content modification but does not impact confidentiality or availability. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
The User Registration & Membership plugin for WordPress suffers from a missing capability check in the embed_form_action() function in all versions up to 5.1.4. This authorization bypass allows authenticated attackers with Contributor-level privileges or above to append shortcode content to arbitrary pages they cannot normally edit. The vulnerability is classified as CWE-862 (Missing Authorization). The CVSS 3.1 base score is 4.3 (medium), reflecting low complexity and limited impact on integrity only. No vendor advisory or patch is currently available, and no known exploits are reported in the wild.
Potential Impact
An attacker with Contributor-level or higher access can modify page content by appending shortcode, potentially altering site content without proper authorization. There is no impact on confidentiality or availability. The integrity of page content is affected, which may lead to unauthorized content injection or defacement.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict Contributor-level access carefully and monitor for unauthorized content changes. Avoid granting Contributor or higher privileges to untrusted users.
CVE-2026-3601: CWE-862 Missing Authorization in wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
Description
CVE-2026-3601 is a medium severity vulnerability in the wpeverest User Registration & Membership WordPress plugin up to version 5. 1. 4. It involves a missing authorization check in the embed_form_action() function, allowing authenticated users with Contributor-level access or higher to append shortcode content to pages they do not own or have permission to edit. This could lead to unauthorized content modification but does not impact confidentiality or availability. No official patch or remediation guidance is currently available from the vendor.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The User Registration & Membership plugin for WordPress suffers from a missing capability check in the embed_form_action() function in all versions up to 5.1.4. This authorization bypass allows authenticated attackers with Contributor-level privileges or above to append shortcode content to arbitrary pages they cannot normally edit. The vulnerability is classified as CWE-862 (Missing Authorization). The CVSS 3.1 base score is 4.3 (medium), reflecting low complexity and limited impact on integrity only. No vendor advisory or patch is currently available, and no known exploits are reported in the wild.
Potential Impact
An attacker with Contributor-level or higher access can modify page content by appending shortcode, potentially altering site content without proper authorization. There is no impact on confidentiality or availability. The integrity of page content is affected, which may lead to unauthorized content injection or defacement.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict Contributor-level access carefully and monitor for unauthorized content changes. Avoid granting Contributor or higher privileges to untrusted users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-03-05T14:40:38.401Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f9ac07cbff5d8610dd1b2e
Added to database: 5/5/2026, 8:36:23 AM
Last enriched: 5/5/2026, 8:51:44 AM
Last updated: 5/5/2026, 11:39:36 AM
Views: 5
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