CVE-2026-80072: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in User Registration & Membership
The User Registration & Membership WordPress plugin before 5.2.8 does not validate the destination of a post-login redirect before redirecting, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL, which can be abused for phishing.
AI Analysis
Technical Summary
The User Registration & Membership WordPress plugin prior to version 5.2.8 contains a CWE-601 open redirect vulnerability. Specifically, it fails to validate the destination of a post-login redirect, enabling unauthenticated attackers to redirect visitors to arbitrary external URLs. This flaw can be abused to conduct phishing attacks by redirecting users to malicious sites after login.
Potential Impact
An attacker can redirect users to arbitrary external URLs after login without authentication. This can facilitate phishing attacks by tricking users into visiting malicious websites. The vulnerability does not impact confidentiality, integrity, or availability directly but poses a medium risk due to potential phishing exploitation.
Mitigation Recommendations
Upgrade the User Registration & Membership plugin to version 5.2.8 or later where this vulnerability is fixed. No other mitigation is indicated. Patch status is confirmed by the version boundary provided.
CVE-2026-80072: CWE-601 URL Redirection to Untrusted Site ('Open Redirect') in User Registration & Membership
Description
The User Registration & Membership WordPress plugin before 5.2.8 does not validate the destination of a post-login redirect before redirecting, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL, which can be abused for phishing.
CVSS v3.1
Score 4.7medium
Affected software
User Registration & Membership
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The User Registration & Membership WordPress plugin prior to version 5.2.8 contains a CWE-601 open redirect vulnerability. Specifically, it fails to validate the destination of a post-login redirect, enabling unauthenticated attackers to redirect visitors to arbitrary external URLs. This flaw can be abused to conduct phishing attacks by redirecting users to malicious sites after login.
Potential Impact
An attacker can redirect users to arbitrary external URLs after login without authentication. This can facilitate phishing attacks by tricking users into visiting malicious websites. The vulnerability does not impact confidentiality, integrity, or availability directly but poses a medium risk due to potential phishing exploitation.
Mitigation Recommendations
Upgrade the User Registration & Membership plugin to version 5.2.8 or later where this vulnerability is fixed. No other mitigation is indicated. Patch status is confirmed by the version boundary provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-25T18:23:07.540Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa682ae55bf5e2cf583e194
Added to database: 09/13/2026, 11:02:06 UTC
Last enriched: 09/13/2026, 11:17:16 UTC
Last updated: 09/14/2026, 03:01:23 UTC
Views: 13
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