CVE-2023-5085: Advanced Menu Widget <= 0.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-25 · updated 2026-06-17
Weakness: CWE-79

Description

The Advanced Menu Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'advMenu' shortcode in versions up to, and including, 0.4.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

johnnypea Advanced Menu Widget: through 0.4.1

References

https://plugins.trac.wordpress.org/browser/advanced-menu-widget/trunk/class-advanced-menu-widget.php?rev=1471917#L74
https://www.wordfence.com/threat-intel/vulnerabilities/id/5da2dac6-940c-419e-853f-6cfd5d53d427?source=cve
https://plugins.trac.wordpress.org/browser/advanced-menu-widget/trunk/class-advanced-menu-widget.php?rev=1471917#L74
https://www.wordfence.com/threat-intel/vulnerabilities/id/5da2dac6-940c-419e-853f-6cfd5d53d427?source=cve

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