CVE-2021-24728

Name: CVE-2021-24728
Creator: NVD / NIST
Published: 2021-09-13T18:15:19.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2021-24728 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Membership & Content Restriction – Paid Member Subscriptions WordPress plugin before 2.4.2 did not sanitise, validate or escape its order and orderby parameters before using them in SQL statement, leading to Authenticated SQL Injections in the Members and Payments pages.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

The Membership & Content Restriction – Paid Member Subscriptions WordPress plugin before 2.4.2 did not sanitise, validate or escape its order and orderby parameters before using them in SQL statement, leading to Authenticated SQL Injections in the Members and Payments pages.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cozmoslabs	Membership \& Content Restriction - Paid Member Subscriptions	< 2.4.2

References

https://plugins.trac.wordpress.org/changeset/2566399/paid-member-subscriptionsThird Party Advisory
https://wpscan.com/vulnerability/2277d335-1c90-4fa8-b0bf-25873c039c38Exploit, Third Party Advisory
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29172Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2566399/paid-member-subscriptionsThird Party Advisory
https://wpscan.com/vulnerability/2277d335-1c90-4fa8-b0bf-25873c039c38Exploit, Third Party Advisory
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29172Exploit, Third Party Advisory

Timeline

Published: Sep 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24728?

How severe is CVE-2021-24728?

CVE-2021-24728 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24728?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24728?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST