How severe is CVE-2021-24728?

CVE-2021-24728 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24728?

CVE-2021-24728 affects Cozmoslabs Membership & Content Restriction - Paid Member Subscriptions. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-24728 published?

CVE-2021-24728 was published on 2021-09-13 and last updated on 2026-06-17.

CVE-2021-24728

CVE-2021-24728 is a high-severity vulnerability in Cozmoslabs Membership & Content Restriction - Paid Member Subscriptions with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Cozmoslabs Membership & Content Restriction - Paid Member Subscriptions
Published: 2021-09-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-24728?: 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.
How severe is CVE-2021-24728?: CVE-2021-24728 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24728?: CVE-2021-24728 affects Cozmoslabs Membership & Content Restriction - Paid Member Subscriptions. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24728 published?: CVE-2021-24728 was published on 2021-09-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cozmoslabs:membership_\&_content_restriction_-_paid_member_subscriptions:*:*:*:*:*:wordpress:*:*

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