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OpenAdvisories
Medium · 6.1 CVE-2021-34667 EUVD-2021-21317GHSA-r68r-w4gj-642m

Calendar_plugin <= 1.0 Reflected Cross-Site Scripting

Published Aug 16, 2021 · Updated May 5, 2025 · Assigned by Wordfence

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 products

VendorProductAffectedFixed
Calendar_plugin Calendar_plugin 1.0 – ≤ 1.0 —

References