What’s Vulnerable › Vulnerabilities

CVE-2026-4136: Membership Plugin – Restrict Content <= 3.2.24 - Unvalidated Redirect in Password Reset Flow via rcp_redirect

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-20 · updated 2026-06-17
• Weakness: CWE-640

Description

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Unvalidated Redirect in all versions up to, and including, 3.2.24. This is due to insufficient validation on the redirect url supplied via the 'rcp_redirect' parameter. This makes it possible for unauthenticated attackers to redirect users with the password reset email to potentially malicious sites if they can successfully trick them into performing an action.

Affected products

• stellarwp Membership Plugin – Restrict Content: through 3.2.24

References

• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.24/core/includes/login-functions.php#L270
• https://plugins.trac.wordpress.org/changeset/3486071/restrict-content
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e4cf42d3-9864-440b-8357-36c82cbef28f?source=cve

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