CVE-2023-6812

MEDIUM 4.3

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

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-601
Vendor	aresit
Product	wp compress – instant performance & speed optimization
Published	May 14, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

aresit / WP Compress – Instant Performance & Speed Optimization

0 ≤ 6.20.01

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/cbbf9fbb-74fd-42eb-a781-2a720fe56b13?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3082085/wp-compress-image-optimizer/trunk/fixCss.php

Credits

Krzysztof Zając