GHSA-P279-5WCV-45VQ Kunstmaan CMS: MediaBundle extension blacklist bypass allows authenticated administrators to upload executable PHP files leading to remote code execution

Summary The MediaBundle blocks dangerous upload extensions with a blacklist that was matched case-sensitively, while the stored filename was lowercased afterwards. A file uploaded as webshell.pHp therefore bypassed the blacklist and was written to the web-accessible upload directory as...

Kunstmaan CMS: MediaBundle extension blacklist bypass allows authenticated administrators to upload executable PHP files leading to remote code execution

Summary The MediaBundle blocks dangerous upload extensions with a blacklist that was matched case-sensitively, while the stored filename was lowercased afterwards. A file uploaded as webshell.pHp therefore bypassed the blacklist and was written to the web-accessible upload directory as...

CVE-2026-101126

Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming...

CVE-2026-101126 Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4

Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming...

CVE-2026-101126 Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4

Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming...

CVE-2026-101126: Improper Limitation of a Pathname to a Restricted Directory

Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming...

CVE-2026-81568: Improper Limitation of a Pathname to a Restricted Directory

Joomla Extension - j2commerce.com - Arbitrary file read via task=download in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - J2StoreModelOrderdownloads::getFilePath built the on-disk path to a purchased digital download by concatenating the configured attachment folder with the product file's...

CVE-2026-33656: Improper Limitation of a Pathname to a Restricted Directory

EspoCRM is an open source customer relationship management application. Prior to version 9.3.4, EspoCRM's built-in formula scripting engine allowing updating attachment's sourceId thus allowing an authenticated admin to overwrite the sourceId field on Attachment entities. Because sourceId is...

Arbitrary File Deletion

october/october is vulnerable to arbitrary file deletion. The vulnerability exists as the returned value of getFilePath does not validate the real path of the file, allowing an authenticated user with the cms.manageassets permission to delete files outside the assets directory...