EUVD-2026-68105

BookStack before 26.05.4 contains a remote code execution vulnerability in the portable ZIP import functionality that allows users with Import Content and Create Books permissions to upload a PHP polyglot file as a book cover. Attackers can bypass image extension validation by embedding a PHP fil...

CVE-2026-82450

BookStack before version 26.05.4 is affected by a remote code execution vulnerability in the portable ZIP import functionality. A user with Import Content and Create Books permissions can upload a PHP polyglot file disguised as a book cover. The attacker bypasses image extension validation by emb...

CVE-2026-59942 Dompdf: Denial of Service (DoS) via Resource Exhaustion using Oversized Image Bitmaps

Dompdf is an HTML to PDF converter for PHP. Versions 3.15 and prior are vulnerable to a Denial of Service DoS attack via resource exhaustion. An attacker can crash the PHP process by providing a specially crafted HTML document containing a single image with massive dimensions e.g., 30,000x30,000...

CVE-2026-25492

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveimagesAsset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address, bypassing hostname validation. When a...

CVE-2026-25492

Craft CMS is a content management system. In Craft versions 3.5.0 through 4.16.17 and 5.0.0-RC1 through 5.8.21, the saveimagesAsset GraphQL mutation can be abused to fetch internal URLs by providing a domain name that resolves to an internal IP address, bypassing hostname validation. When a...

CVE-2024-3112

The Quotes and Tips by BestWebSoft WordPress plugin before 1.45 does not properly validate image files uploaded, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to for example in multisite setup...