CVE-2021-38321

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p58

Published

Sep 9, 2021 (Sep 9, 2021)

Modified

Jun 17, 2026

Description

The Custom Menu Plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the selected_menu parameter found in the ~/custom-menus.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.3.3.

Vendors: custom-sub-menus project
Products: custom-sub-menus
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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