{"id":"GHSA-x6mh-rjwm-8ph7","aliases":["CVE-2024-55878"],"title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readXfs and SimpeXLSX::toHTMLEx","description":"### Impact\nWhen calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code.\n\n### Patches\nThe supplied patch resolves this vulnerability for SimpleXLSX. Use 1.1.12\n\n### Workarounds\nDon't use direct publication via toHTMLEx\n\n***\nThis vulnerability was discovered by Aleksey Solovev (Positive Technologies)\n","severity":"medium","score":6.8,"published":"2024-12-12T19:22:53.000Z","modified":"2024-12-12T22:38:33.943Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"shuchkin/simplexlsx","ranges":[{"events":[{"introduced":"1.0.12"},{"fixed":"1.1.12"}],"type":"ECOSYSTEM"}],"versions":["1.0.12","1.0.13","1.0.14","1.0.15","1.0.16","1.0.17","1.0.18","1.0.19","1.0.20","1.0.21","1.1.10","1.1.11"],"fixed":["1.1.12"]}],"references":["https://github.com/shuchkin/simplexlsx/security/advisories/GHSA-x6mh-rjwm-8ph7","https://nvd.nist.gov/vuln/detail/CVE-2024-55878","https://github.com/shuchkin/simplexlsx/commit/cb4e716259e83d18e89292a4f1b721f4d34e28c2","https://github.com/shuchkin/simplexlsx"],"sources":[{"name":"OSV","id":"GHSA-x6mh-rjwm-8ph7","modified":"2024-12-12T22:38:33.943623Z","url":"https://osv.dev/vulnerability/GHSA-x6mh-rjwm-8ph7"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N","score":6.8}]}