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.

Classification

CVE ID: CVE-2025-2110

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor: smartersite

Product: WP Compress – Instant Performance & Speed Optimization

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 14.8% (scored less or equal to compared to others)

EPSS Date: 2025-04-21 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-2110
https://www.wordfence.com/threat-intel/vulnerabilities/id/2bb4ead4-b2ad-42b4-92a0-fb7293f6df06?source=cve
https://plugins.trac.wordpress.org/browser/wp-compress-image-optimizer/tags/6.30.15/classes/ajax.class.php
https://wordpress.org/plugins/wp-compress-image-optimizer/#developers
https://plugins.trac.wordpress.org/changeset/3254259/

Timeline