{"cve":{"cve_id":"CVE-2024-47873","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.0076,"epss_percentile":0.50477,"epss_as_of":"2026-06-23","description":"PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. The XmlScanner class has a scan method which should prevent XXE attacks. However, prior to versions 1.9.4, 2.1.3, 2.3.2, and 3.4.0, the regexes used in the `scan` method and the findCharSet method can be bypassed by using UCS-4 and encoding guessing. An attacker can bypass the sanitizer and achieve an XML external entity attack. Versions 1.9.4, 2.1.3, 2.3.2, and 3.4.0 fix the issue.","published_at":"2024-11-18T17:03:00.366000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-611"],"nvd_references":["https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-jw4x-v69f-hh5w","https://github.com/PHPOffice/PhpSpreadsheet/blob/39fc51309181e82593b06e2fa8e45ef8333a0335/src/PhpSpreadsheet/Reader/Security/XmlScanner.php","https://owasp.org/www-community/vulnerabilities/XML_External_Entity_(XXE)_Processing","https://www.w3.org/TR/xml/#sec-guessing-no-ext-info"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T02:10:24.499647Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":"< 1.29.4","version_start_inclusive":true,"version_end":"< 1.29.4","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:< 1.29.4:< 1.29.4"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 2.0.0, < 2.1.3","version_start_inclusive":true,"version_end":">= 2.0.0, < 2.1.3","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 2.0.0, < 2.1.3:>= 2.0.0, < 2.1.3"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 2.2.0, < 2.3.2","version_start_inclusive":true,"version_end":">= 2.2.0, < 2.3.2","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 2.2.0, < 2.3.2:>= 2.2.0, < 2.3.2"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 3.3.0, < 3.4.0","version_start_inclusive":true,"version_end":">= 3.3.0, < 3.4.0","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 3.3.0, < 3.4.0:>= 3.3.0, < 3.4.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-jw4x-v69f-hh5w","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/blob/39fc51309181e82593b06e2fa8e45ef8333a0335/src/PhpSpreadsheet/Reader/Security/XmlScanner.php","source_type":"MISC","tags":[]},{"url":"https://owasp.org/www-community/vulnerabilities/XML_External_Entity_(XXE)_Processing","source_type":"MISC","tags":[]},{"url":"https://www.w3.org/TR/xml/#sec-guessing-no-ext-info","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-11-18T17:03:00.366000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:38:05.467432Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:05.467432Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:38:05.467432Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T02:10:24.499647Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:10:24.499647Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:10:24.499647Z","label":"SSVC decision revised","source":"vulnrichment"}]}