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CVE-2021-34667

MEDIUM CVSS: 6.1 Published: 2021-08-16 Modified: 2026-06-17

Description

The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.

Affected Platforms

Calendar Plugin Project Calendar Plugin

Weakness Type

CWE-79, CWE-79

References