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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2016-10516

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2016-10516
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 09:41 UTC · Revision 1

Source evidence

CVE-2016-10516

core-osv · Original source

Published 23 Oct 2017, 16:29 UTC

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.

osv:CVE-2016-10516
Complete source record
{
  "id": "05018912c7f4ff2ad8961c4d57d10fdb9083b0b603abd1e7d1f8a69be1cd5ced",
  "url": "https://osv.dev/vulnerability/CVE-2016-10516",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-10516",
    "summary": "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.",
    "evidence": "osv:CVE-2016-10516",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-10516",
      "aliases": [
        "CVE-2016-10516",
        "GHSA-h2fp-xgx6-xh6f",
        "PYSEC-2017-43"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pallets/werkzeug",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "938a331ddb0c7009f4286e962f8a9c1ebad62be2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:palletsprojects:werkzeug:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.11.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.11.10",
            "0.11.9",
            "0.11.8",
            "0.11.7",
            "0.11.6",
            "0.11.5",
            "0.11.4",
            "0.11.3",
            "0.11.2",
            "0.11.1",
            "0.11",
            "0.10",
            "0.9",
            "0.8",
            "0.7",
            "0.6.2",
            "0.6.1",
            "0.6",
            "0.4.1",
            "0.4",
            "0.3",
            "0.2",
            "0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-10516.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:36.157012186Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2017/11/msg00037.html",
        "https://github.com/pallets/werkzeug/pull/1001"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-10516",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379570,
  "published_at": "2017-10-23T16:29:00.313+00:00"
}