CVE-2021-24606
CVSS v3
8.8
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Availability Calendar WordPress plugin before 1.2.1 does not escape the category attribute from its shortcode before using it in a SQL statement, leading to a SQL Injection issue, which can be exploited by any user able to add shortcode to posts/pages, such as contributor+
Technical details
- Published
- 2021-09-20
Frequently asked questions
What is CVE-2021-24606?
The Availability Calendar WordPress plugin before 1.2.1 does not escape the category attribute from its shortcode before using it in a SQL statement, leading to a SQL Injection issue, which can be exploited by any user able to add shortcode to posts/pages, such as contributor+
Is CVE-2021-24606 actively exploited?
Active exploitation of CVE-2021-24606 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-24606?
CVE-2021-24606 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-24606 affecting your environment?
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