GHSA-8GH5-QQH8-HQ3X Open WebUI allows limited stored XSS vila uploaded html file

Summary Low privileged users can upload HTML files which contain JavaScript code via the /api/v1/files/ backend endpoint. This endpoint returns a file id, which can be used to open the file in the browser and trigger the JavaScript code in the user's browser. Under the default settings, files...

CVE-2026-36163

An HTML injection vulnerability in the file view endpoint of LiquidFiles v4.2.7 allows authenticated attackers to execute arbitrary JavaScript in the context of the victim's browser via the uploading of and user interaction with a crafted HTML file...

CVE-2026-36163: Improper Neutralization of Input During Web Page Generation

An HTML injection vulnerability in the file view endpoint of LiquidFiles v4.2.7 allows authenticated attackers to execute arbitrary JavaScript in the context of the victim's browser via the uploading of and user interaction with a crafted HTML file...

CVE-2026-13323

Vulnerability CVE-2026-13323 affects Open VSX Registry before 1.0.2. The /vscode/unpkg/ endpoint serves user-supplied HTML without CSP or Content-Disposition headers, enabling a publisher to upload a crafted VSIX and lure authenticated users to visit the URL. This inline rendering in the open-vsx...

CVE-2026-46392

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0 of HAX CMS PHP, the "saveFile" endpoint validates upload extensions case-insensitively and writes the filename to disk verbatim, but the ".htaccess" rule that forces "Content-Disposition: attachment" on...

CVE-2026-44729 Twenty: Stored Cross-Site Scripting via Unsanitized File Serving (Missing Content-Type/Content-Disposition Headers)

Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/ and /file/:fileFolder/:id serve uploaded files using fileStream.piperes without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an...

CVE-2026-44729 Twenty: Stored Cross-Site Scripting via Unsanitized File Serving (Missing Content-Type/Content-Disposition Headers)

Twenty is an open source CRM. In 1.18.0 and earlier, the file serving endpoints in Twenty CRM at /files/ and /file/:fileFolder/:id serve uploaded files using fileStream.piperes without setting any Content-Type, Content-Disposition, or X-Content-Type-Options response headers. This allows an...

CVE-2026-9053

Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element...

PT-2026-42720

Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element...

CVE-2026-9053: Undefined Security Weakness

Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element...

CVE-2026-45315

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHEDIR/audio/transcriptions/.. The /cache/path route serve...

EUVD-2026-30656

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHEDIR/audio/transcriptions/.. The /cache/path route serve...

CVE-2026-34429

Vvveb prior to 1.0.8.1 contains a stored cross-site scripting vulnerability that allows authenticated users with media upload and rename permissions to execute arbitrary JavaScript by bypassing MIME type validation and renaming uploaded files to executable extensions. Attackers can prepend a GIF8...

CVE-2026-41467

ProjeQtor versions 7.0 through 12.4.3 contain a stored cross-site scripting vulnerability in the file upload functionality where the checkValidFileName function fails to restrict HTML and HTM file uploads. Authenticated attackers can upload HTML files containing arbitrary JavaScript through the...

CVE-2026-41467: Improper Neutralization of Input During Web Page Generation

ProjeQtor versions 7.0 through 12.4.3 contain a stored cross-site scripting vulnerability in the file upload functionality where the checkValidFileName function fails to restrict HTML and HTM file uploads. Authenticated attackers can upload HTML files containing arbitrary JavaScript through the...

CVE-2026-40487

Postiz is an AI social media scheduling tool. Prior to version 2.21.6, a file upload validation bypass allows any authenticated user to upload arbitrary HTML, SVG, or other executable file types to the server by spoofing the Content-Type header. The uploaded files are then served by nginx with a...

CVE-2026-34161

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload via the file upload. An administrator can execute arbitrary JavaScript in the context of the application by uploading a crafted SVG or HTML file containing malicious scripts, which are then served to users without...

CVE-2026-34071

CVE-2026-34071 affects Stirling-PDF. In version 2.7.3, the /api/v1/convert/eml/pdf endpoint with downloadHtml=true returns unsanitized HTML from the email body (Content-Type: text/html). An attacker sending a malicious email to a Stirling-PDF user can achieve JavaScript execution when the user ex...

EUVD-2026-14893

iCMS v8.0.0 contains a Cross-Site Scripting XSS vulnerability in the User Management component, specifically within the index.html file. This allows remote attackers to execute arbitrary web script or HTML via the regip or loginip parameters...