pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference

{
  "id": "6d1d6d53000b9513416ccf6492cb4042dd6e819b4f4de9d425e88c1016f0583a",
  "url": "https://osv.dev/vulnerability/CVE-2026-76572",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference",
    "summary": "A vulnerability was detected in pkp pkp-lib up to 3.3.0-22/3.4.0-10/3.5.0-4. The affected element is the function _transformPHP of the file classes/xslt/XSLTransformer.php. The manipulation results in xml external entity reference. The attack can be executed remotely. Upgrading to version 3.3.0-23, 3.4.0-11 and 3.5.0-5 is sufficient to fix this issue. The patch is identified as 78c699370ea43ae2784e1c4ace7c947d207f2b47. Upgrading the affected component is advised.",
    "evidence": "osv:CVE-2026-76572",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-76572",
      "aliases": [
        "CVE-2026-76572"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pkp/pkp-lib",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fda81987b3f3ba6cf72097023246bf6a93ddebdc"
                },
                {
                  "fixed": "78c699370ea43ae2784e1c4ace7c947d207f2b47"
                },
                {
                  "fixed": "8b5f0fdc8d5664000b8652002781a14bd406bf21"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.3.0-22"
                      },
                      {
                        "last_affected": "3.3.0-22"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.4.0-10"
                      },
                      {
                        "last_affected": "3.4.0-10"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.5.0-4"
                      },
                      {
                        "last_affected": "3.5.0-4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "78c699370ea43ae2784e1c4ace7c947d207f2b47"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8b5f0fdc8d5664000b8652002781a14bd406bf21"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "3_5_0-5"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.0-22",
            "3.4.0-10",
            "3.5.0-4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76572.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.256597339Z",
      "provider": "osv",
      "references": [
        "https://github.com/pkp/pkp-lib/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76572.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-76572",
        "https://vuldb.com/cve/CVE-2026-76572",
        "https://vuldb.com/submit/878359",
        "https://vuldb.com/vuln/393037",
        "https://github.com/pkp/pkp-lib/issues/12977",
        "https://vuldb.com/vuln/393037/cti",
        "https://github.com/pkp/pkp-lib/commit/78c699370ea43ae2784e1c4ace7c947d207f2b47",
        "https://github.com/pkp/pkp-lib/releases/tag/3_5_0-5"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-610",
          "CWE-611"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76572.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-76572",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492003,
  "published_at": "2026-08-19T19:30:10.341+00:00"
}