WP Compress – Image Optimizer [All-In-One] <= 6.20.01 - Open Redirect via css

4.3
URL Redirection to Untrusted Site ('Open Redirect')
CVE CVE-2023-6812
CVSS 4.3 (Medium)
Publicly Published May 13, 2024
Last Updated May 14, 2024
Researcher Krzysztof Zając - CERT PL

Description

The WP Compress – Image Optimizer [All-In-One plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 6.20.01. This is due to insufficient validation on the redirect url supplied via the 'css' parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.

References

Share

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 6.20.02, or a newer patched version
Affected Version
  • <= 6.20.01
Patched Version
  • 6.20.02

Recent vulnerabilities in WP Compress – Instant Performance & Speed Optimization

# Title CVE ID CVSS Researchers Date
1 WP Compress <= 7.22.01 - Missing Authorization to Unauthenticated Account Linking / Site Takeover via 'force_ic_connect' and 'apikey' Parameters 5.3 Wordfence PRISM September 8, 2026
2 WP Compress – Instant Performance & Speed Optimization <= 7.21.28 - Missing Authorization to Unauthenticated Settings Update CVE-2026-84757 5.3 Thaer.Assfour September 2, 2026
3 WP Compress – Instant Performance & Speed Optimization < 7.20.01 - Unauthenticated Remote Code Execution CVE-2026-73343 9.8 Charles Vosburgh August 18, 2026
4 WP Compress <= 7.10.09 - Cross-Site Request Forgery to Arbitrary Options Deletion CVE-2026-17608 6.5 Wordfence PRISM August 15, 2026
5 Compress <= 7.10.3 - Reflected Cross-Site Scripting CVE-2026-9066 6.1 Lubin Regnault July 2, 2026
6 Compress <= 6.60.28 - Missing Authorization CVE-2026-25370 5.3 Nguyen Ba Khanh February 17, 2026
7 WP Compress <= 6.50.54 - Missing Authorization CVE-2025-57899 5.3 Trương Hữu Phúc (truonghuuphuc) September 22, 2025
8 WP Compress <= 6.30.30 - Unauthenticated Broken Authentication CVE-2025-47479 7.3 Trương Hữu Phúc (truonghuuphuc) July 3, 2025
9 WP Compress <= 6.30.30 - Cross-Site Request Forgery CVE-2025-47546 4.3 Snurkeburk, SashaRyba May 7, 2025
10 WP Compress <= 6.30.15 - Authenticated (Subscriber+) Missing Authorization via Multiple Functions CVE-2025-2110 8.8 mikemyers March 25, 2025

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation