CVE-2021-20678

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-18 · updated 2026-06-17
Weakness: CWE-89

Description

SQL injection vulnerability in the Paid Memberships Pro versions prior to 2.5.6 allows remote authenticated attackers to execute arbitrary SQL commands via unspecified vectors.

Affected products

Paid Memberships Pro: before 2.5.6 — fixed in 2.5.6

How to fix

Upgrade to a fixed version: Paid Memberships Pro 2.5.6. Check the vendor advisory for mitigations.

References

https://jvn.jp/en/jp/JVN08191557/index.html
https://wordpress.org/plugins/paid-memberships-pro/
https://www.paidmembershipspro.com/pmpro-update-2-5-6/
https://jvn.jp/en/jp/JVN08191557/index.html
https://wordpress.org/plugins/paid-memberships-pro/
https://www.paidmembershipspro.com/pmpro-update-2-5-6/

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