Easy Mega Menu Plugin for WordPress – ThemeHunk <= 1.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting
Vulnerability Description
The Easy Mega Menu Plugin for WordPress – ThemeHunk plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘themehunk_megamenu_bg_image' parameter in all versions up to, and including, 1.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Please note that this was partially fixed in 1.1.0 due to the missing authorization protection that was added.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Lucio Sá
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fc661cfd-6290-4b36-858a-cf2269b5fcf9?source=cve
- https://plugins.trac.wordpress.org/browser/themehunk-megamenu-plus/trunk/inc/megamenu-base.php#L35
- https://plugins.trac.wordpress.org/browser/themehunk-megamenu-plus/tags/1.1.0/views/admin/item_settings.php?rev=3156084#L196
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3163871%40themehunk-megamenu-plus&new=3163871%40themehunk-megamenu-plus&sfp_email=&sfph_mail=#file21
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