[Security] Fix CodeQL alert #45: Reflected server-side cross-site scripting#103
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colin-d-fried wants to merge 1 commit into
Open
[Security] Fix CodeQL alert #45: Reflected server-side cross-site scripting#103colin-d-fried wants to merge 1 commit into
colin-d-fried wants to merge 1 commit into
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This was referenced Mar 26, 2026
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Summary
Fixes CodeQL alert #45: Reflected server-side cross-site scripting
vulnerable_xss.pyFix Applied
See the diff for the specific secure coding change applied.
Fixes #47
Note
Low Risk
Low risk, narrowly scopes behavior change to HTML-escaping the
/commentform value before rendering to mitigate reflected XSS.Overview
Mitigates a reflected XSS vector in
vulnerable_xss.pyby HTML-escaping user-suppliedcommentinput before embedding it in the/commentresponse.Adds
markupsafe.escapeand applies it when readingrequest.form['comment'], so rendered comments are treated as text rather than raw HTML/JS.Written by Cursor Bugbot for commit b992a7c. This will update automatically on new commits. Configure here.