WP Last Modified Info <= 1.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via lmt-post-modified-info Shortcode
Vulnerability Description
The WP Last Modified Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘template’ attribute of the lmt-post-modified-info shortcode in all versions up to, and including, 1.9.0 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?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-6864
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Craig Smith
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87368d85-04d4-42e6-9ba6-2a1fc3b945a8?source=cve
- https://plugins.trac.wordpress.org/browser/wp-last-modified-info/trunk/inc/Core/Frontend/PostView.php#L205
- https://wordpress.org/plugins/wp-last-modified-info/#developers
- https://plugins.trac.wordpress.org/changeset/3137253/#file23
- https://plugins.trac.wordpress.org/changeset/3137253/
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