Label Studio - Cross-Site Scripting

Versions prior to 1.9.2 have a cross-site scripting XSS vulnerability that could be exploited when an authenticated user uploads a crafted image file for their avatar that gets rendered as a HTML file on the website. id: CVE-2023-47115 info: name: Label Studio - Cross-Site Scripting author: isaca...

WordPress Core <6.5.2 - Cross-Site Scripting

WordPress Core is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in various versions up to 6.5.2 due to insufficient output escaping on the display name. id: CVE-2024-4439 info: name: WordPress Core 6.5.2 - Cross-Site Scripting author: nqdung2002 severity: hi...

CVE-2026-55497 Cloudreve: Server crash through image decompression/pixel bomb in thumbnail & avatar decoding (DoS)

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the built-in thumbnail and avatar image decoders limit compressed file size but do not limit decoded pixel dimensions, allowing an authenticated user to submit a small PNG, JPEG, or GIF that triggers an unbounded...

CVE-2026-66490

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox 2.20.2...

EUVD-2026-50333

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox 2.20.2...

CVE-2026-66490

The vulnerability CVE-2026-66490 affects the Joomla Extension balbooa Gridbox prior to version 2.20.2. The issue is a stored cross-site scripting (XSS) vulnerability that can be triggered via a comment avatar, as described in multiple sources. The root cause is an input/output handling weakness i...

CVE-2026-66490 Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox 2.20.2...

CVE-2026-66490 Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox 2.20.2...

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

CVE-2026-65650 affects Elgg before 7.0.0, where image dimension checks are missing, enabling a denial-of-service via oversized avatar uploads. Impact: possible availability degradation (CVSS 4.3). Remediation: upgrade to Elgg 7.0.0 or later where the issue is addressed, as reflected in the 7.0.0 ...

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-2026-46556

The CVE describes a Server-Side Request Forgery (SSRF) in FlaskBB prior to 2.2.1, where get_image_info(url) passes the supplied URL directly to requests.get without validating scheme/host/IP. This allows any authenticated user to cause the server to access internal endpoints and cloud metadata se...

CVE-2026-46556 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, a Server-Side Request Forgery SSRF vulnerability in getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata...

GHSA-X77V-Q46J-393G Gitea: Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Summary When oauth2client UPDATEAVATAR = true is enabled, Gitea fetches the avatar URL received from an OAuth2/OIDC provider using Go's default HTTP client. The URL comes from the user's OAuth/OIDC avatar value, commonly the OIDC picture claim. The affected code path calls http.Geturl without...

PT-2026-63275

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description A blind Server-Side Request Forgery SSRF exists when the oauth2 client UPDATE AVATAR = true setting is enabled. The issue occurs because the server fetches the avatar URL provided by an...

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...