EUVD-2026-38736

Stored Cross-Site Scripting in the exposed AWS API key store of Thinkst Applied Research Canarytokens. Anonymous exploitation requires knowledge of a random identifier. This issue affects Canarytokens: from Docker tag sha-4116b92cb before sha-f5aa5c4e, from Git commit 4116b92cb before f5aa5c4e...

GHSA-CVXM-645Q-P574 containerd: CRI checkpoint import allows local image tag poisoning

Impact containerd's CRI checkpoint import process contains a vulnerability where it fails to validate the image references specified within a checkpoint image's configuration. An attacker with permissions to create pods can use a crafted checkpoint image to force containerd to pull a malicious...

PT-2026-50900

Name of the Vulnerable Software and Affected Versions containerd versions prior to 2.3.2 containerd versions prior to 2.2.5 containerd versions prior to 2.1.9 containerd versions prior to 2.0.10 containerd versions prior to 1.7.33 Description The CRI checkpoint import process fails to validate...

CVE-2026-6339

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

CVE-2026-6427

The a3 Lazy Load plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.7.6 This is due to a regex bug in the filtervideos method that breaks HTML attribute quoting when processing crafted elements, combined with unescaped output in the...

USN-8357-1: Qt Declarative vulnerability

It was discovered that Qt Declarative did not properly validate the width and height attributes of image tags in the Text component of Qt Quick. An attacker could possibly use this issue to cause Qt Declarative to use excessive resources, leading to a denial of service...

USN-8357-1 qtdeclarative-opensource-src vulnerability

It was discovered that Qt Declarative did not properly validate the width and height attributes of image tags in the Text component of Qt Quick. An attacker could possibly use this issue to cause Qt Declarative to use excessive resources, leading to a denial of service...

Cross-site Scripting (XSS)

Overview symfony/symfony is a PHP framework for web applications and a set of reusable PHP components. Affected versions of this package are vulnerable to Cross-site Scripting XSS via HtmlSanitizer due to improper sanitization of URL attributes on object, applet, iframe, img and meta refresh. By...

PT-2026-43531

The Auto Thumbnail plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'thumbnails' shortcode in all versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping on the shortcode's 'width' and 'height' attributes in the athn thumbnai...

PT-2026-44155

TL;DR This vulnerability affects all Kirby sites that allow the use of the link: … KirbyTag, the link: parameter of the image: … KirbyTag, the built-in image block with a link or the HTML importer for blocks, when content is authored by users who may not be fully trusted. The attack requires an...

CVE-2026-45347

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.11, there is a blind server side request forgery SSRF via the PDF generate function. In the PDF export, user inputs are interpreted as HTML and embedded into the PDF. According to tests...

Mattermost doesn't validate the X-Requested-With header on the burn-on-read reveal endpoint

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

GHSA-XVCX-MGPC-5XH3 Mattermost doesn't validate the X-Requested-With header on the burn-on-read reveal endpoint

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

CVE-2026-6339

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

CVE-2026-6339

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

EUVD-2026-30749

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

CVE-2026-6339

Mattermost contains a vulnerability (CVE-2026-6339) in versions 11.5.x <= 11.5.1 and 11.4.x

CVE-2026-6339 Missing request origin validation on burn-on-read reveal endpoint

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

PT-2026-41657

Mattermost versions 11.5.x = 11.5.1, 11.4.x = 11.4.3 fail to validate the X-Requested-With header on the burn-on-read reveal endpoint which allows an authenticated channel member to force the reveal of a burn-on-read message without recipient consent via a crafted Markdown image tag.. Mattermost...

CVE-2026-45347

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.11, there is a blind server side request forgery SSRF via the PDF generate function. In the PDF export, user inputs are interpreted as HTML and embedded into the PDF. According to tests...