CVE-2021-24521

Name: CVE-2021-24521
Creator: NVD / NIST
Published: 2021-08-09T10:15:08.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.59%

Last modified Jun 17, 2026

CVE-2021-24521 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The Side Menu Lite – add sticky fixed buttons WordPress plugin before 2.2.1 does not properly sanitize input values from the browser when building an SQL statement. Users with the administrator role or permission to manage this plugin could perform an SQL Injection attack.. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

Description

The Side Menu Lite – add sticky fixed buttons WordPress plugin before 2.2.1 does not properly sanitize input values from the browser when building an SQL statement. Users with the administrator role or permission to manage this plugin could perform an SQL Injection attack.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.59%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Wow-Estore	Side Menu	< 2.2.1

References

https://github.com/pang0lin/CVEproject/blob/main/wordpress_side-menu-lite_sqli.mdExploit, Third Party Advisory
https://wpscan.com/vulnerability/eb21ebc5-265c-4378-b2c6-62f6bc2f69cdExploit, Third Party Advisory
https://github.com/pang0lin/CVEproject/blob/main/wordpress_side-menu-lite_sqli.mdExploit, Third Party Advisory
https://wpscan.com/vulnerability/eb21ebc5-265c-4378-b2c6-62f6bc2f69cdExploit, Third Party Advisory

Timeline

Published: Aug 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24521?

How severe is CVE-2021-24521?

CVE-2021-24521 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24521?

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-2021-24521?

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

Scan your code now

Source: NVD / NIST