CVE-2021-24521
CVSS v3
7.2
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-08-09
Frequently asked questions
What is CVE-2021-24521?
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.
Is CVE-2021-24521 actively exploited?
Active exploitation of CVE-2021-24521 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-24521?
CVE-2021-24521 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-24521 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).