{"id":"CVE-2016-10516","aliases":["GHSA-h2fp-xgx6-xh6f","PYSEC-2017-43"],"url":"https://o3.security/vulnerability/CVE-2016-10516","summary":"Pallets Werkzeug cross-site scripting vulnerability","details":"Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 (as used in Pallets Flask and other products) allows remote attackers to inject arbitrary web script or HTML via a field that contains an exception message.","published":"2017-10-23T16:29:00.313Z","modified":"2026-10-20T10:47:36.157012186Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"werkzeug","fixedVersion":"0.11.11"}],"fix":{"url":"https://github.com/pallets/werkzeug/pull/1001","label":"pallets/werkzeug#1001"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00037.html"},{"type":"ADVISORY","url":"https://github.com/pallets/werkzeug/pull/1001"},{"type":"REPORT","url":"http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10516"},{"type":"WEB","url":"https://github.com/pallets/werkzeug/commit/1034edc7f901dd645ec6e462754111b39002bd65"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-h2fp-xgx6-xh6f"},{"type":"PACKAGE","url":"https://github.com/pallets/werkzeug"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/werkzeug/PYSEC-2017-43.yaml"},{"type":"WEB","url":"http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T10:47:36.157012186Z"}}