WP Compress <= 6.30.15 - Authenticated (Subscriber+) Missing Authorization via Multiple Functions

8.8
Missing Authorization
CVE CVE-2025-2110
CVSS 8.8 (High)
Publicly Published March 25, 2025
Last Updated March 26, 2025
Researcher mikemyers

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.

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Vulnerability Details for WP Compress – Instant Performance & Speed Optimization

Software Type Plugin
Software Slug wp-compress-image-optimizer (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.30.16, or a newer patched version
Affected Version
  • <= 6.30.15
Patched Version
  • 6.30.16

Recent vulnerabilities in WP Compress – Instant Performance & Speed Optimization

# Title CVE ID CVSS Researchers Date
1 Compress <= 6.60.28 - Missing Authorization CVE-2026-25370 5.3 Nguyen Ba Khanh February 17, 2026
2 WP Compress <= 6.50.54 - Missing Authorization CVE-2025-57899 5.3 Trương Hữu Phúc (truonghuuphuc) September 22, 2025
3 WP Compress <= 6.30.30 - Unauthenticated Broken Authentication CVE-2025-47479 7.3 Trương Hữu Phúc (truonghuuphuc) July 3, 2025
4 WP Compress <= 6.30.30 - Cross-Site Request Forgery CVE-2025-47546 4.3 Snurkeburk, SashaRyba May 7, 2025
5 WP Compress <= 6.30.15 - Unauthenticated Server-Side Request Forgery via init Function CVE-2025-2109 5.8 mikemyers March 24, 2025
6 WP Compress – Instant Performance & Speed Optimization <= 6.30.03 - Reflected Cross-Site Scripting via custom_server Parameter CVE-2024-12047 6.1 vgo0 January 3, 2025
7 WP Compress – Image Optimizer [All-In-One] <= 6.20.13 - Reflected Cross-Site Scripting CVE-2024-47384 6.1 Le Ngoc Anh September 30, 2024
8 WP Compress – Image Optimizer [All-In-One] <= 6.20.01 - Open Redirect via css CVE-2023-6812 4.3 Krzysztof Zając May 13, 2024
9 WP Compress – Image Optimizer [All-In-One] <= 6.20.01 - Missing Authorization CVE-2024-4445 6.5 Lucio Sá May 13, 2024
10 WP Compress – Image Optimizer [All-In-One] <= 6.10.35 - Cross-Site Request Forgery CVE-2024-32106 4.3 Kévin Mosbahi (Mika) April 11, 2024

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