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2.1 Faible

CVE-2026-6019 http.cookies.Morsel.js_output() returns an inline <script> snippet and only escapes " for JavaScript string context

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.

Produits et versions touchés

Produit Versions touchées Corrigé en
CPython 3.15 3.15.0a1 → < 3.15.0b1 3.15.0b1
CPython 3.14 3.14.0a1 → < 3.14.5rc1 3.14.5rc1
CPython 3.13 premières → < 3.13.14 3.13.14

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