Path Traversal Vulnerability in QuickWebP Plugin for Image Optimization
CVE-2026-42756

9.9CRITICAL

Key Information:

Vendor

WordPress
Status
Quickwebp – Compress / Optimize Images & Convert Webp | Seo Friendly
Vendor
CVE Published:
27 May 2026

What is CVE-2026-42756?

A Path Traversal vulnerability exists in the QuickWebP plugin for WordPress, allowing unauthorized access to files on the server. This security flaw may permit attackers to traverse the directory structure and read sensitive files, potentially leading to data exposure. The issue affects versions of QuickWebP up to 3.2.7, emphasizing the need for prompt updates to mitigate risks.

Affected Version(s)

QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly 0 <= 3.2.7

References

https://patchstack.com/database/Wordpress/Plugin/quickweb...
vdb-entry

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

dodoh4t | Patchstack Bug Bounty Program
.