What’s Vulnerable › Vulnerabilities

CVE-2022-2317: Simple Membership < 4.1.3 - Unauthenticated Membership Privilege Escalation

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-01 · updated 2026-06-17
• Weakness: CWE-269

Description

The Simple Membership WordPress plugin before 4.1.3 allows user to change their membership at the registration stage due to insufficient checking of a user supplied parameter.

Affected products

• Simple Membership: before 4.1.3 — fixed in 4.1.3

How to fix

Upgrade to a fixed version: Simple Membership 4.1.3. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/77b7ca19-294c-4480-8f57-6fddfc67fffb
• https://wpscan.com/vulnerability/77b7ca19-294c-4480-8f57-6fddfc67fffb

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