What’s Vulnerable › Vulnerabilities

CVE-2022-2273: Simple Membership < 4.1.3 - Membership Privilege Escalation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% 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 does not properly validate the membership_level parameter when editing a profile, allowing members to escalate to a higher membership level by using a crafted POST request.

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/724729d9-1c4a-485c-9c90-a27664c47c84
• https://wpscan.com/vulnerability/724729d9-1c4a-485c-9c90-a27664c47c84

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