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TI-2023-06224 Aliases CVE-2023-6812GHSA-4mwh-2xx5-5vp9

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

Priority LOW 28CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00437 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
aresitWP Compress – Instant Performance & Speed Optimizationup to 6.20.01—No fix listedCNA
  • WP Compress – Instant Performance & Speed Optimization Vendoraresit Affected up to 6.20.01 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpcompress:wp_compress:*:*:*:*:*:wordpress:*:*before 6.20.02Vulnerablearesit
  • cpe:2.3:a:wpcompress:wp_compress:*:*:*:*:*:wordpress:*:* Versions before 6.20.02 Vulnerable ·aresit

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-6812
  2. 2026-10-03 Alias added: GHSA-4mwh-2xx5-5vp9

References

  • TI-2025-29976 WordPress WP Compress plugin <= 6.30.30 - Broken Authentication Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-06126 WP Compress – Image Optimizer [All-In-One] <= 6.10.33 - Unauthenticated Directory Traversal via css CVSS 3.1CRITICAL 9.1
  • TI-2025-01847 WP Compress <= 6.30.15 - Authenticated (Subscriber+) Missing Authorization via Multiple Functions CVSS 3.1HIGH 8.8
  • TI-2024-01801 WP Compress – Image Optimizer <= 6.11.08 - Missing Authorization to Unauthenticated CDN Modification CVSS 3.1HIGH 7.5
  • TI-2025-30043 WordPress WP Compress plugin <= 6.30.30 - Cross Site Request Forgery (CSRF) Vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-21183 WordPress WP Compress plugin <= 6.10.35 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
See all 10 →

Sources