CVE-2021-24606

HighCVSS 8.8/10Last modified Jun 17, 2026

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+

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-89

Affected software

Vendor	Product	Versions
Unknown	Availability Calendar	>= 1.2.1, < 1.2.1

References

https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83Exploit, Third Party Advisory
https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83Exploit, Third Party Advisory

Timeline

Published: Sep 20, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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