CVE-2021-24631

CVE-2021-24631 is a high-severity vulnerability in Unlimited Popups Project Unlimited Popups 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

Description

The Unlimited PopUps WordPress plugin through 4.5.3 does not sanitise or escape the did GET parameter before using it in a SQL statement, available to users as low as editor, leading to an authenticated SQL Injection

Frequently asked questions

What is CVE-2021-24631?
The Unlimited PopUps WordPress plugin through 4.5.3 does not sanitise or escape the did GET parameter before using it in a SQL statement, available to users as low as editor, leading to an authenticated SQL Injection
How severe is CVE-2021-24631?
CVE-2021-24631 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-2021-24631 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24631?
CVE-2021-24631 affects Unlimited Popups Project Unlimited Popups. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24631?
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-2021-24631 published?
CVE-2021-24631 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-89 (SQL Injection) vulnerabilities

Browse all CWE-89 (SQL Injection) vulnerabilities →