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A cross-site scripting (XSS) vulnerability exists in all versions of stroom:stroom-app before 5.5.12 and all versions of the 6.0.0 branch before 6.0.25. An attacker can embed the Stroom UI in a hidden iframe on a malicious website and, leveraging the XSS flaw, issue commands to the Stroom UI as the authenticated user, potentially taking full control of the application on behalf of the victim.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a proof-of-concept exploit for CVE-2019-10779, a cross-site scripting (XSS) vulnerability in GCHQ Stroom. The main exploit is contained in 'CVE-2019-10779.html', which loads the Stroom dashboard from 'https://stroom.my-company.com/stroom/vis.html' in an iframe. Upon loading, it uses the postMessage API to send a crafted message to the embedded frame, attempting to execute arbitrary JavaScript (an alert) in the context of the Stroom dashboard. The exploit demonstrates that Stroom does not properly validate the origin of window events, allowing XSS when loaded from another site. The repository also includes a README describing the vulnerability and a .gitignore file. No detection scripts or fake code are present; this is a working POC exploit.
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