CVE-2026-42756
Received
Received - Intake
Path Traversal in QuickWebP Image Optimization Plugin
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Patchstack
Description
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Ludwig You QuickWebP – Compress / Optimize Images & Convert WebP | SEO Friendly quickwebp allows Path Traversal.This issue affects QuickWebP – Compress / Optimize Images & Convert WebP | SEO Friendly: from n/a through <= 3.2.7.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| quickwebp | quickwebp | to 3.2.7 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| 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 Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
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