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-2026-13001

CVE-2026-13001 — Podlove Podcast Publisher Caricamento File Non Autenticato RCE Discrepanza tra isimage e extractfileextension → Caricamento Polyglot PHP Panoramica CVE-2026-13001 è una vulnerabilità critica CVSS 9.8 di caricamento arbitrario di file non autenticato nel plugin WordPress Podlove...

PT-2026-72881

Name of the Vulnerable Software and Affected Versions Templately – Elementor & Gutenberg Template Library: 6500+ Free & Pro Ready Templates And Cloud! versions prior to 3.7.2 Description Authenticated attackers with contributor-level access and above can achieve remote code execution via the fetc...

Podlove Podcast Publisher 4.5.1 Shell Upload

A proof of concept exploit for an unauthenticated arbitrary file upload vulnerability leading to remote code execution in Podlove Podcast Publisher version 4.5.1. The vulnerability uses inconsistent parsing of an attacker-controlled source URL, allowing a GIF/PHP polyglot to pass file-type...

Redaxo has a Mediapool isAllowedExtension bypass via multi-segment filename that leads to authenticated RCE on Apache mod_php multi-extension handlers

Summary rexmediapool::isAllowedExtension in redaxo/src/addons/mediapool/lib/mediapool.php accepts filenames that contain a blocked extension as a non-terminal segment of a longer extension chain, for example shell.php.any.jpg. The check only catches the blocked extension when it appears at the en...

CVE-2026-53599 Redaxo has a Mediapool isAllowedExtension bypass via multi-segment filename that leads to authenticated RCE on Apache mod_php multi-extension handlers

REDAXO is a PHP-based content management system. From 5.18.2 until 5.21.1, rexmediapool::isAllowedExtension in redaxo/src/addons/mediapool/lib/mediapool.php lets an authenticated backend user with mediaupload permission upload a JPEG/PHP polyglot named shell.php.any.jpg, which web servers with...