CVE-2021-24606

HIGH

Availability Calendar < 1.2.1 - SQL Injection via Shortcode Category Attribute

Title source: llm
STIX 2.1

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+

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83

Scores

CVSS v3 8.8
EPSS 0.0133
EPSS Percentile 67.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-89
Status published
Products (1)
offshorewebmaster/availability_calendar < 1.2.1
Published Sep 20, 2021
Tracked Since Feb 18, 2026