Cross-site Scripting (XSS)

Overview @jupyterlab/apputils is a JupyterLab - Application Utilities Affected versions of this package are vulnerable to Cross-site Scripting XSS via the notebook paste action in packages/notebook/src/actions.tsx, which does not validate whether clipboard data originated from within the...

GHSA-2HFJ-CXW7-G45P Unsafe inline XSS in pasting DOM element into chat

Impact Inline scripts are executed when Javascript is parsed via a paste action. 1. Open https://watch.owncast.online/ 2. Copy and then paste into the chat field. 3. An alert should pop up. Patches ⋮ 13 │ // Content security policy ⋮ 14 │ csp := string ⋮ 15 │ "script-src 'self'...

CVE-2021-39183

Owncast is an open source, self-hosted live video streaming and chat server. In affected versions inline scripts are executed when Javascript is parsed via a paste action. This issue is patched in 0.0.9 by blocking unsafe-inline Content Security Policy and specifying the script-src. The worker-sr...

CVE-2021-39183: Improper Neutralization of Input During Web Page Generation

Owncast is an open source, self-hosted live video streaming and chat server. In affected versions inline scripts are executed when Javascript is parsed via a paste action. This issue is patched in 0.0.9 by blocking unsafe-inline Content Security Policy and specifying the script-src. The worker-sr...