PT-2021-22039 · WordPress · Custom Menu Plugin

P7E4 · Published 2021-09-09 · Updated 2021-09-15 · CVE-2021-38321

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Custom Menu Plugin WordPress plugin versions up to and including 1.3.3

Description: The issue allows attackers to inject arbitrary web scripts via the selected menu parameter in the ~/custom-menus.php file, enabling Reflected Cross-Site Scripting attacks.

Recommendations: For versions up to and including 1.3.3, update to a version that contains a fix for this issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-38321

Affected Products

Custom Menu Plugin

References · 4

• 🔥 https://plugins.trac.wordpress.org/browser/custom-sub-menus/trunk/custom-menus.php?rev=2205549#L136 · Exploit
• https://osv.dev/vulnerability/CVE-2021-38321 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38321 · Security Note
• https://wordfence.com/vulnerability-advisories/#CVE-2021-38321 · Note