Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
References
- MISChttps://www.wordfence.com/threat-intel/vulnerabilities/id/2bb4ead4-b2ad-42b4-92a0-fb7293f6df06?source=cve
- MISChttps://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/6.30.15/classes/ajax.class.php
- MISChttps://wordpress.org/plugins/wp-compress-image-optimizer/#developers
- MISChttps://plugins.trac.wordpress.org/changeset/3254259/