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Medium

By-passing Cross-Site Scripting Protection in HTML Sanitizer

Type: advisorySources: OSV

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-47125
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 19:40 UTC · Revision 1

Source evidence

By-passing Cross-Site Scripting Protection in HTML Sanitizer

core-osv · Original source

Published 14 Nov 2023, 20:07 UTC

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

osv:CVE-2023-47125
Complete source record
{
  "id": "9fb8c69dc07ce3b7cfbd3524c8bde28d4793f76f50f9f7f28a5db2d45f8378ce",
  "url": "https://osv.dev/vulnerability/CVE-2023-47125",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "By-passing Cross-Site Scripting Protection in HTML Sanitizer",
    "summary": "TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2023-47125",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-47125",
      "aliases": [
        "BIT-typo3-2023-47125",
        "CVE-2023-47125",
        "GHSA-mm79-jhqm-9j54"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/typo3/html-sanitizer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ca1c30b9b5c160024257f456606b1f3f17138ca6"
                },
                {
                  "fixed": "cead6b60be7122c9e6bdc40f702ca8b5980abca4"
                },
                {
                  "introduced": "b32bbd462406f28d1fca4bde8a8cd8b49a4bdd39"
                },
                {
                  "fixed": "b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:typo3:html_sanitizer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "1.5.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:typo3:html_sanitizer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.1.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/typo3/typo3",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d7b1df9f4cd2fd34976bab4d4a5151f58feb671c"
                },
                {
                  "fixed": "939ef26e7fcd18ec68af7743014446a45527e502"
                },
                {
                  "introduced": "36096733dea4bd6f6168209609fa879dc25c0138"
                },
                {
                  "fixed": "639f2dbbafa5e6835499e70e111c7f22bc6cb966"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "11.3.2"
                      },
                      {
                        "fixed": "11.5.33"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "fixed": "12.4.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.1.3",
            "v1.5.2",
            "v1.5.1",
            "v2.1.2",
            "v1.5.0",
            "v2.1.1",
            "v2.1.0",
            "v2.0.16",
            "v2.0.15",
            "v2.0.14",
            "v2.0.13",
            "v2.0.12",
            "v2.0.11",
            "v2.0.10",
            "v2.0.9",
            "v2.0.8",
            "v2.0.7",
            "v2.0.6",
            "v2.0.5",
            "v2.0.4",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v12.4.7",
            "v12.4.6",
            "v12.4.5",
            "v12.4.4",
            "v12.4.3",
            "v12.4.2",
            "v12.4.1",
            "v12.4.0",
            "v12.3.0",
            "v12.2.0",
            "v12.1.0",
            "v12.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47125.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.805002748Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47125.json",
        "https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-47125",
        "https://typo3.org/security/advisory/typo3-core-sa-2023-007",
        "https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47125.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-47125",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489265,
  "published_at": "2023-11-14T20:07:56.433+00:00"
}