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OpenAdvisories
Medium · 6.1 CVE-2021-34666 EUVD-2021-21316GHSA-xrm5-74w8-cr3j

Add Sidebar <= 2.0.0 Reflected Cross-Site Scripting

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

Description

The Add Sidebar WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the add parameter in the ~/wp_sidebarMenu.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.0.0.

Affected products

VendorProductAffectedFixed
Add Sidebar Add Sidebar 2.0.0 – ≤ 2.0.0 —

References