Wp Compress – Instant Performance & Speed Optimization

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.

Published: 2025-03-26T11:22:08.756Z
Updated: 2026-04-08T16:43:43.207Z

The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.30.15 via the init() function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query information from internal services.

Published: 2025-03-25T11:12:08.647Z
Updated: 2026-04-08T16:36:06.680Z

The WP Compress – Image Optimizer [All-In-One] plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the several functions in versions up to, and including, 6.20.01. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to edit plugin settings, including storing cross-site scripting, in multisite environments.

Published: 2024-05-14T05:32:59.624Z
Updated: 2026-04-08T17:04:05.756Z

The WP Compress – Image Optimizer plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wps_local_compress::__construct' function in all versions up to, and including, 6.11.10. This makes it possible for unauthenticated attackers to reset the CDN region and set a malicious URL to deliver images.

Published: 2024-04-09T18:59:05.625Z
Updated: 2026-04-08T17:05:17.845Z

The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘custom_server’ parameter in all versions up to, and including, 6.30.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Published: 2025-01-04T07:24:22.599Z
Updated: 2026-04-08T16:34:32.786Z