Cloudreve: Denial of Service - Image decompression / pixel bomb in thumbnail & avatar decoding crashes the server

Summary Cloudreve's built-in image processor decodes user-supplied images with Go's standard-library decoders image/png, image/jpeg, image/gif and guards only the compressed file size — never the decoded pixel dimensions. Go's decoders allocate a pixel buffer sized bytesPerPixel × width × height...

PT-2026-64433

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description Cloudreve contains an issue where the built-in image decoders for PNG, JPEG, and GIF formats limit only the compressed file size but do not restrict the decoded pixel dimensions. An authenticated...

Allocation of Resources Without Limits or Throttling

Overview elgg/elgg is a development framework used for creating socially aware web applications. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the avatar upload process. An attacker can cause resource exhaustion by uploading an image...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-65650

Elgg before 7.0.0 does not check image dimensions to prevent denial of service via a large avatar upload...

CVE-2026-52891

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...

CVE-2026-52891

Wekan prior to v9.07 is vulnerable to command execution via avatar upload. The avatar filename is embedded in shell commands in models/avatars.js and models/fileValidation.js, allowing shell metacharacters (e.g., ` and $( ) to run commands on the server through child_process.exec(). Impact: high ...

CVE-2026-52891 Wekan: Shell Injection via Avatar Upload

Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied filenames into paths later passed to childprocess.exec for MIME-type detection. Because models/avatars.js and models/fileValidation.js used a shell command with the avatar filename...

PT-2026-60317

Name of the Vulnerable Software and Affected Versions Wekan versions prior to 9.07 Description The avatar upload functionality allows the embedding of user-supplied filenames into paths that are subsequently passed to the child process.exec function for MIME-type detection. Specifically, the...

CVE-2026-58654

The Grav API plugin getgrav/grav-plugin-api 1.0.0 contains an unrestricted file upload vulnerability in the avatar upload endpoint /api/v1/users/user/avatar. The endpoint validates only the client-declared MIME type getClientMediaType beginning with 'image/' and does not inspect the actual file...

CVE-2026-58654 Grav - Arbitrary File Upload via Avatar Endpoint

The Grav API plugin getgrav/grav-plugin-api 1.0.0 contains an unrestricted file upload vulnerability in the avatar upload endpoint /api/v1/users/user/avatar. The endpoint validates only the client-declared MIME type getClientMediaType beginning with 'image/' and does not inspect the actual file...

CVE-2026-58654

The Grav API plugin getgrav/grav-plugin-api 1.0.0 contains an unrestricted file upload vulnerability in the avatar upload endpoint /api/v1/users/user/avatar. The endpoint validates only the client-declared MIME type getClientMediaType beginning with 'image/' and does not inspect the actual file...

EUVD-2026-42265

The Grav API plugin getgrav/grav-plugin-api 1.0.0 contains an unrestricted file upload vulnerability in the avatar upload endpoint /api/v1/users/user/avatar. The endpoint validates only the client-declared MIME type getClientMediaType beginning with 'image/' and does not inspect the actual file...

CVE-2026-58654

The Grav API plugin (getgrav/grav-plugin-api) 1.0.0 suffers an unrestricted file upload in /api/v1/users/user/avatar: it validates only the client-declared MIME type and allows arbitrary content to be stored under user/accounts/avatars/ with predictable filenames. Although direct HTTP access is b...

RomM 4.4.0 - XSS_CSRF Chain

Exploit Title: RomM Application tab or Storage on Firefox Cookies - Copy the rommcsrftoken cookie value 3. Replace below with your token 4. Replace with the target RomM instance URL e.g., http://romm.local 5. Save this file as avatar.html 6. Upload it as your profile avatar...

📄 WordPress AMGT 44.0 Shell Upload

A vulnerability in the WordPress AMGT plugin version 44.0 membership registration form allows an attacker to upload arbitrary files via the "amgtuseravatar" parameter. The uploaded file is stored with a timestamp-based filename that can be guessed, allowing remote code execution...

CVE-2026-28558

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows authenticated subscribers to upload SVG files as profile avatars through the avatar upload functionality. Attackers upload a crafted SVG containing CSS injection or JavaScript event handlers that execute in the...

EUVD-2026-9107

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows authenticated subscribers to upload SVG files as profile avatars through the avatar upload functionality. Attackers upload a crafted SVG containing CSS injection or JavaScript event handlers that execute in the...

CVE-2026-28558

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows authenticated subscribers to upload SVG files as profile avatars through the avatar upload functionality. Attackers upload a crafted SVG containing CSS injection or JavaScript event handlers that execute in the...