{"cve":"CVE-2016-10516","nvd":{"published":"2017-10-23T16:29:00.313","modified":"2026-06-17T00:39:50.033","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/","https://github.com/pallets/werkzeug/pull/1001","https://lists.debian.org/debian-lts-announce/2017/11/msg00037.html","http://blog.neargle.com/2016/09/21/flask-src-review-get-a-xss-from-debuger/","https://github.com/pallets/werkzeug/pull/1001"],"products":["palletsprojects:werkzeug"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2016-10516","score":0.01985,"percentile":0.80596,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-h2fp-xgx6-xh6f","url":"https://osv.dev/vulnerability/GHSA-h2fp-xgx6-xh6f","summary":"Pallets Werkzeug cross-site scripting vulnerability","modified":"2024-11-19T19:10:53.946430Z","packages":[{"ecosystem":"PyPI","name":"werkzeug","purl":"pkg:pypi/werkzeug","ranges":["<0.11.11"],"fixed":["0.11.11"]}]},{"id":"PYSEC-2017-43","url":"https://osv.dev/vulnerability/PYSEC-2017-43","summary":"","modified":"2023-11-08T03:58:10.053222Z","packages":[{"ecosystem":"PyPI","name":"werkzeug","purl":"pkg:pypi/werkzeug","ranges":["<0.11.11"],"fixed":["0.11.11"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}