CVE-2026-42756
Deferred Deferred - Pending Action

Path Traversal in QuickWebP Image Optimization Plugin

Publication date: 2026-05-27

Last updated on: 2026-05-27

Assigner: Patchstack

Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Ludwig You QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly quickwebp allows Path Traversal.This issue affects QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly: from n/a through <= 3.2.7.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-05-27
Last Modified
2026-05-27
Generated
2026-07-06
AI Q&A
2026-05-27
EPSS Evaluated
2026-07-05
NVD
CVE-2026-42756
EUVD
EUVD-2026-32204

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
quickwebp quickwebp to 3.2.7 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a Path Traversal issue in the Ludwig You QuickWebP – Compress / Optimize Images & Convert WebP | SEO Friendly plugin. It allows an attacker to improperly access files and directories outside the intended restricted directory by manipulating the pathname.

Impact Analysis

The vulnerability has a very high severity with a CVSS score of 9.9, indicating it can be exploited remotely with low complexity and limited privileges. It can lead to complete compromise of confidentiality, integrity, and availability of the affected system.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-42756. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart