{"id":"CVE-2024-56364","aliases":["EUVD-2024-3611","GHSA-r87q-fj25-f8jf"],"status":"published","title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readThemeColors, SimpleXLSXEx::getColorValue and SimpleXLSX::toHTMLEx","description":"SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in 1.0.12 and ending in 1.1.13, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. This vulnerability is fixed in 1.1.13.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00255,"percentile":0.17239,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2024-12-23T15:52:06Z","modified":"2026-10-28T02:30:59Z","fixes":[{"ecosystem":"Packagist","package":"shuchkin/simplexlsx","fixed_in":["1.1.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"shuchkin/simplexlsx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.12"},{"fixed":"1.1.13"}]}]},{"source":"osv","ecosystem":"Packagist","package":"shuchkin/simplexlsx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.12"},{"fixed":"1.1.13"}]}],"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","1.1.12"]}],"products":[{"vendor":"shuchkin","product":"simplexlsx"}],"references":[{"url":"https://github.com/shuchkin/simplexlsx/security/advisories/GHSA-r87q-fj25-f8jf","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/shuchkin/simplexlsx/commit/71a5e3d40d14e33161f8a40b3fd02de542218ef0","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56364","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r87q-fj25-f8jf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56364.json","tags":["advisory"]},{"url":"https://github.com/shuchkin/simplexlsx","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-56364","title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readThemeColors, SimpleXLSXEx::getColorValue and SimpleXLSX::toHTMLEx","description":"SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in 1.0.12 and ending in 1.1.13, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. This vulnerability is fixed in 1.1.13.","status":"published","published":"2024-12-23T15:52:06.327Z","modified":"2024-12-28T00:48:18.868Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:58.357949Z"}],"euvd":[{"id":"EUVD-2024-3611","description":"SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in 1.0.12 and ending in 1.1.13, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. This vulnerability is fixed in 1.1.13.","status":"published","published":"2024-12-23T15:52:06Z","modified":"2024-12-28T00:48:18Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:32.209772Z"}],"ghsa":[{"id":"GHSA-r87q-fj25-f8jf","title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readThemeColors, SimpleXLSXEx::getColorValue and SimpleXLSX::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 1.1.13\n\n### Workarounds\nDon't use data publication via toHTMLEx\n\n***\nThis vulnerability was discovered by Aleksey Solovev (Positive Technologies)\n","status":"published","published":"2024-12-23T18:18:54Z","modified":"2024-12-23T20:55:09Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:26.167657Z"}],"nvd":[{"id":"CVE-2024-56364","description":"SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in 1.0.12 and ending in 1.1.13, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. This vulnerability is fixed in 1.1.13.","status":"published","published":"2024-12-23T16:15:07.77Z","modified":"2026-06-17T08:12:06.997Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:40.507978Z"}],"osv":[{"id":"CVE-2024-56364","title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readThemeColors, SimpleXLSXEx::getColorValue and SimpleXLSX::toHTMLEx","description":"SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in 1.0.12 and ending in 1.1.13, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. This vulnerability is fixed in 1.1.13.","status":"published","published":"2024-12-23T15:52:06.327Z","modified":"2026-10-28T02:30:59.374274607Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:44.777182Z"},{"id":"GHSA-r87q-fj25-f8jf","title":"Cross-site Scripting vulnerability in SimpleXLSXEx::readThemeColors, SimpleXLSXEx::getColorValue and SimpleXLSX::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 1.1.13\n\n### Workarounds\nDon't use data publication via toHTMLEx\n\n***\nThis vulnerability was discovered by Aleksey Solovev (Positive Technologies)\n","status":"published","published":"2024-12-23T18:18:54Z","modified":"2024-12-23T21:01:28.511824Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:55.480549Z"}]}}