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CVE-2021-24606

Availability Calendar < 1.2.1 - Authenticated SQL Injection

HIGH
8.8
CVSS Score
Published: September 20, 2021 at 10:06 AM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorAvailability Calendar

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Severity
HIGH8.8
Exploit prediction
EPSS 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+

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Availability Calendar· Offshorewebmasterwordpress-plugin
95%
v < 1.2.1
Affected range stops below 1.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/fe49f48a-f97a-44fe-8d71-be08e7ce4f83

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-89

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