WP Page Permalink Extension <= 1.5.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Rewrite Rules Flush
Vulnerability Description
The WP Page Permalink Extension plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.5.4. This is due to missing authorization checks on the `cwpp_trigger_flush_rewrite_rules` function hooked to `wp_ajax_cwpp_trigger_flush_rewrite_rules`. This makes it possible for authenticated attackers, with Subscriber-level access and above, to flush the site's rewrite rules via the `action` parameter.
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:
- Abhirup Konwar
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c5ba37d7-8fde-4ee3-93db-d2459da34bc4?source=cve
- https://plugins.trac.wordpress.org/browser/change-wp-page-permalinks/trunk/change-wp-page-permalinks.php#L188
- https://plugins.trac.wordpress.org/browser/change-wp-page-permalinks/tags/1.5.4/change-wp-page-permalinks.php#L188
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