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Security advisory

Type: advisorySources: OSVCVE: CVE-2016-2512

The utils.http.is_safe_url function in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or possibly conduct cross-site scripting (XSS) attacks via a URL containing basic authentication, as demonstrated by http://mysite.example.com\@attacker.com.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2016-2512
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 09:39 UTC · Revision 1

Source evidence

CVE-2016-2512

core-osv · Original source

Published 8 Apr 2016, 15:59 UTC

The utils.http.is_safe_url function in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or possibly conduct cross-site scripting (XSS) attacks via a URL containing basic authentication, as demonstrated by http://mysite.example.com\@attacker.com.

osv:CVE-2016-2512
Complete source record
{
  "id": "053fc75c276cadd872ce37046fa3b9721101d363e554686f00552e6aa294bdfc",
  "url": "https://osv.dev/vulnerability/CVE-2016-2512",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-2512",
    "summary": "The utils.http.is_safe_url function in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or possibly conduct cross-site scripting (XSS) attacks via a URL containing basic authentication, as demonstrated by http://mysite.example.com\\@attacker.com.",
    "evidence": "osv:CVE-2016-2512",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-2512",
      "aliases": [
        "CVE-2016-2512",
        "GHSA-pw27-w7w4-9qc7",
        "PYSEC-2016-15"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django/django",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c982190acf7bcfba5e78a7505a45774916865569"
                },
                {
                  "last_affected": "c00335997744196738368f46c30ef2eeaa0ac849"
                },
                {
                  "fixed": "c5544d289233f501917e25970c03ed444abbd4f0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:1.8.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.9"
                      },
                      {
                        "last_affected": "1.8.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:1.9:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.9"
                      },
                      {
                        "last_affected": "1.9"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:1.9.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.9.1"
                      },
                      {
                        "last_affected": "1.9.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:1.9.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.9.2"
                      },
                      {
                        "last_affected": "1.9.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c5544d289233f501917e25970c03ed444abbd4f0"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.8.9",
            "1.9",
            "1.9.1",
            "1.9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2512.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:29.191164268Z",
      "provider": "osv",
      "references": [
        "https://www.djangoproject.com/weblog/2016/mar/01/security-releases/",
        "https://github.com/django/django/commit/c5544d289233f501917e25970c03ed444abbd4f0"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-2512",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379421,
  "published_at": "2016-04-08T15:59:06.183+00:00"
}