Medium severity6.1NVD Advisory· Published Aug 16, 2021· Updated Jun 17, 2026No known patch
CVE-2021-34666
No known patch is available for this vulnerability.
The affected plugin has been removed from the WordPress.org directory (reason: Security Issue), and no patched version is being distributed through the official directory. If you have the affected software installed, you should uninstall or replace it rather than wait for an update.
CVE-2021-34666
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=2.0.0
- Range: 2.0.0
Patches
Vulnerability mechanics
References
2- plugins.trac.wordpress.org/browser/sidebar-adder/tags/2.0.1/wp_sidebarMenu.phpnvdExploitThird Party Advisory
- www.wordfence.com/vulnerability-advisories/nvdExploitThird Party Advisory
News mentions
0No linked articles in our index yet.