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 vulnerability does not impact confidentiality or availability but allows unauthorized content modification. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
The User Registration & Membership plugin for WordPress (wpeverest) 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 users with Contributor-level privileges or above to append shortcode content to arbitrary pages they cannot otherwise edit. The vulnerability is classified as CWE-862 (Missing Authorization). The CVSS v3.1 base score is 4.3 (medium severity), reflecting the network attack vector, low attack complexity, and limited impact to integrity only. No vendor patch or official remediation has been published as of the data available.
Potential Impact
An attacker with Contributor-level access or higher can exploit this vulnerability to modify the content of pages they do not own by appending shortcode content. This unauthorized modification impacts data integrity but does not affect confidentiality or availability. The vulnerability could lead to content manipulation on affected WordPress sites using the vulnerable plugin versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict Contributor-level access to trusted users only and monitor for unauthorized content changes. Avoid granting Contributor or higher privileges to untrusted users. Follow vendor channels for updates regarding patches or official mitigations.
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 vulnerability does not impact confidentiality or availability but allows unauthorized content modification. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The User Registration & Membership plugin for WordPress (wpeverest) 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 users with Contributor-level privileges or above to append shortcode content to arbitrary pages they cannot otherwise edit. The vulnerability is classified as CWE-862 (Missing Authorization). The CVSS v3.1 base score is 4.3 (medium severity), reflecting the network attack vector, low attack complexity, and limited impact to integrity only. No vendor patch or official remediation has been published as of the data available.
Potential Impact
An attacker with Contributor-level access or higher can exploit this vulnerability to modify the content of pages they do not own by appending shortcode content. This unauthorized modification impacts data integrity but does not affect confidentiality or availability. The vulnerability could lead to content manipulation on affected WordPress sites using the vulnerable plugin versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict Contributor-level access to trusted users only and monitor for unauthorized content changes. Avoid granting Contributor or higher privileges to untrusted users. Follow vendor channels for updates regarding patches or official mitigations.
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: 5/13/2026, 3:50:59 AM
Last updated: 6/19/2026, 8:35:23 AM
Views: 78
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