PT-2026-43664 · WordPress · Quickwebp

Dodoh4T · Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-42756

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions QuickWebP – Compress / Optimize Images & Convert WebP | SEO Friendly versions prior to 3.2.8

Description An improper limitation of a pathname to a restricted directory, known as Path Traversal, exists in the quickwebp component. This flaw allows for arbitrary file deletion.

Recommendations Update to a version newer than 3.2.7.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-42756

Affected Products

Quickwebp

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-42756 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/quickwebp/vulnerability/wordpress-quickwebp-compress-optimize-images-convert-webp-seo-friendly-plugin-3-2-7-arbitrary-file-deletion-vulnerability?_s_id=cve · Note
• https://reddit.com/r/pwnhub/comments/1tphg0f/critical_path_traversal_vulnerability_in · Reddit Post
• https://t.me/CVEtracker/55104 · Telegram Post