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The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to unauthorized access, modification, and loss of data due to missing capability checks on its on its AJAX functions in all versions up to, and including, 6.30.15. This makes it possible for authenticated attackers, with Subscriber-level access and above, to compromise the site in various ways depending on the specific function exploited - for example, by retrieving sensitive settings and configuration details, or by altering and deleting them, thereby disclosing sensitive information, disrupting the plugin’s functionality, and potentially impacting overall site performance.
Reserved 2025-03-07 | Published 2025-03-26 | Updated 2025-03-26 | Assigner Wordfence2025-03-25: | Disclosed |
Michael Mazzolini
www.wordfence.com/...-b2ad-42b4-92a0-fb7293f6df06?source=cve
plugins.trac.wordpress.org/...6.30.15/classes/ajax.class.php
wordpress.org/plugins/wp-compress-image-optimizer/
plugins.trac.wordpress.org/changeset/3254259/
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