Envo Extra <= 1.8.23 - Authenticated (Contributor+) Stored Cross-Site Scripting via Button Widget
Vulnerability Description
The Envo Extra plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘button_css_id’ parameter within the Button widget in all versions up to, and including, 1.8.23 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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:
- wesley
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/dbe53b09-84c6-4fb6-9a79-1e4987678129?source=cve
- https://plugins.trac.wordpress.org/browser/envo-extra/tags/1.8.22/lib/elementor/widgets/button/button.php#L676
- https://wordpress.org/plugins/envo-extra/#developers
- https://plugins.trac.wordpress.org/changeset/3098500/
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