GHSA-2GX6-7GX2-WWCF Ghost: Cross-Site Scripting in Universal Import

Impact The Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. Vulnerable versions This vulnerability is present in Ghost from v5.26.0 up to v6.54.0. Patches v6.54.1 contains a fix for this issue. How to update For self-hosters...

Ghost: Cross-Site Scripting in Universal Import

Impact The Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. Vulnerable versions This vulnerability is present in Ghost from v5.26.0 up to v6.54.0. Patches v6.54.1 contains a fix for this issue. How to update For self-hosters...

CVE-2026-70588 Ghost: Cross-Site Scripting in Universal Import

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1...

CVE-2026-70588

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1...

EUVD-2026-52928

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1...

CVE-2026-70588 Ghost: Cross-Site Scripting in Universal Import

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1...

CVE-2026-70588

CVE-2026-70588 affects the Ghost CMS (Node.js). From 5.26.0 through 6.54.1, the Universal Import feature in Ghost Admin did not properly sanitize imported content, causing an XSS in post content. The issue has been fixed in version 6.54.1. Affected versions should upgrade to 6.54.1 or later to re...

GHSA-PWXH-7358-JQ2X Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

Summary Any authenticated user can store a chat message whose math block makes KaTeX fail with a stack overflow instead of a parse error. When that happens the renderer falls back to inserting the original math source into the page as HTML rather than as text, so script in the message runs in the...

Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

Summary Any authenticated user can store a chat message whose math block makes KaTeX fail with a stack overflow instead of a parse error. When that happens the renderer falls back to inserting the original math source into the page as HTML rather than as text, so script in the message runs in the...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the KatexRenderer process in the message rendering component. An attacker can execute arbitrary scripts in the browser of any user who views a crafted message by embedding malicio...

CVE-2026-70492 Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, src/lib/components/chat/Messages/Markdown/KatexRenderer.svelte could store and render a chat message whose math block makes KaTeX fail with a stack overflow instead of a parse error. Th...

CVE-2026-70492 Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, src/lib/components/chat/Messages/Markdown/KatexRenderer.svelte could store and render a chat message whose math block makes KaTeX fail with a stack overflow instead of a parse error. Th...

EUVD-2026-52895

CVAT is an open source interactive video and image annotation tool for computer vision. Versions 2.5.0 through 2.66.0 contain a XSS vulnerability that can be accessed through annotation guide assets. When CVAT serves the files attached to an annotation guide, it labels them with a media type...

CVE-2026-65986 CVAT has stored XSS via annotation guide assets

CVAT is an open source interactive video and image annotation tool for computer vision. Versions 2.5.0 through 2.66.0 contain a XSS vulnerability that can be accessed through annotation guide assets. When CVAT serves the files attached to an annotation guide, it labels them with a media type...

CVE-2026-65986

CVAT is an open source interactive video and image annotation tool for computer vision. Versions 2.5.0 through 2.66.0 contain a XSS vulnerability that can be accessed through annotation guide assets. When CVAT serves the files attached to an annotation guide, it labels them with a media type...

CVE-2026-65986 CVAT has stored XSS via annotation guide assets

CVAT is an open source interactive video and image annotation tool for computer vision. Versions 2.5.0 through 2.66.0 contain a XSS vulnerability that can be accessed through annotation guide assets. When CVAT serves the files attached to an annotation guide, it labels them with a media type...

CVE-2026-65986

CVE-2026-65986 affects CVAT, an open source video/image annotation tool. The vulnerability is an stored XSS that can be triggered via annotation guide assets and arises when CVAT serves files attached to an annotation guide, incorrectly labeling them with a controllable Content-Type. This causes ...

CVE-2026-65986 CVAT has stored XSS via annotation guide assets

CVAT is an open source interactive video and image annotation tool for computer vision. Versions 2.5.0 through 2.66.0 contain a XSS vulnerability that can be accessed through annotation guide assets. When CVAT serves the files attached to an annotation guide, it labels them with a media type...

CVE-2026-70486 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...

CVE-2026-70486 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with allow-scripts for HTML files served from the application origin. Any authenticated user wi...