Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird < 139.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5271.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "139.0" } ] } ]