TI-2023-06126 Aliases CVE-2023-6699 GHSA-8frc-4g87-v5h6

WP Compress – Image Optimizer [All-In-One] <= 6.10.33 - Unauthenticated Directory Traversal via css

MEDIUM 47CWE-24Published 2024-01-11 · Updated 2026-04-08

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

The WP Compress – Image Optimizer [All-In-One] plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.10.33 via the css parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00863 58th 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: Yes
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
aresit	WP Compress – Instant Performance & Speed Optimization	up to 6.10.33	—	No fix listed	CNA

WP Compress – Instant Performance & Speed Optimization Vendoraresit Affected up to 6.10.33 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wpcompress:wp_compress::::::wordpress::*	up to 6.10.33	Vulnerable	aresit

cpe:2.3:a:wpcompress:wp_compress:*:*:*:*:*:wordpress:*:* Versions up to 6.10.33 Vulnerable ·aresit

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-6699
2026-10-03 Alias added: GHSA-8frc-4g87-v5h6

References

Patch 1

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3009183%40wp-compress-image-optimizer%2Ftrunk&old=2994665%40wp-compress-image-optimizer%2Ftrunk&sfp_email=&sfph_mail=

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/defb87dd-bf5f-411f-b948-699337d05d44?source=cve

TI-2025-29976 WordPress WP Compress plugin <= 6.30.30 - Broken Authentication Vulnerability CVSS 3.1CRITICAL 9.8
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
TI-2024-31702 WordPress WP Compress plugin <= 6.20.13 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences