{"cve":{"cve_id":"CVE-2024-56408","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":0.00388,"epss_percentile":0.30511,"epss_as_of":"2026-06-23","description":"PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.","published_at":"2025-01-03T16:05:22.944000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":8.3,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-79"],"nvd_references":["https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg","https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4","https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55c7154daa7cd4095f618933c240508ba3c1","https://github.com/PHPOffice/PhpSpreadsheet/commit/a50ebfe118b3ae0ddaea1c48ac19dc38692f4abc","https://github.com/PHPOffice/PhpSpreadsheet/commit/b8fac55aa5cb7a3d514c7308378bb37bb711b25e"],"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":"2026-06-29T02:17:18.614695Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"A","value_label":"Active"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"L","value_label":"Low"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"H","value_label":"High"},{"metric":"SA","name":"Availability (Subsequent System)","value":"L","value_label":"Low"}]},"affected":[{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 3.0.0, < 3.7.0","version_start_inclusive":true,"version_end":">= 3.0.0, < 3.7.0","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 3.0.0, < 3.7.0:>= 3.0.0, < 3.7.0"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":"< 1.29.7","version_start_inclusive":true,"version_end":"< 1.29.7","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:< 1.29.7:< 1.29.7"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 2.0.0, < 2.1.6","version_start_inclusive":true,"version_end":">= 2.0.0, < 2.1.6","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 2.0.0, < 2.1.6:>= 2.0.0, < 2.1.6"},{"vendor_slug":"phpoffice","vendor_name":"PHPOffice","product_slug":"phpspreadsheet","product_name":"PhpSpreadsheet","version_start":">= 2.2.0, < 2.3.5","version_start_inclusive":true,"version_end":">= 2.2.0, < 2.3.5","version_end_inclusive":true,"cpe23_uri":"cve5:phpoffice:phpspreadsheet:>= 2.2.0, < 2.3.5:>= 2.2.0, < 2.3.5"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55c7154daa7cd4095f618933c240508ba3c1","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/a50ebfe118b3ae0ddaea1c48ac19dc38692f4abc","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/b8fac55aa5cb7a3d514c7308378bb37bb711b25e","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2025-01-03T16:05:22.944000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:39:32.546812Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:39:32.546812Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:39:32.546812Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T02:17:18.614695Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:17:18.614695Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T02:17:18.614695Z","label":"SSVC decision revised","source":"vulnrichment"}]}