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Affected Component
Analysis
python3
Exploitable
Name
CVE-2026-6019
Description
http.cookies.Morsel.js_output() returns an inline <script> snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence </script> inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie value.
Published Date
Updated Date
Workaround
-
Advisories
https://github.com/python/cpython/pull/148848Issue Tracking
Analysis#
Vulnerability Ratings#
2.1
CVSSv4
6.1
CVSSv31
NaN
other