When calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code.
The supplied patch resolves this vulnerability for SimpleXLSX. Use 1.1.12
Don't use direct publication via toHTMLEx
This vulnerability was discovered by Aleksey Solovev (Positive Technologies)
{ "nvd_published_at": "2024-12-12T20:15:21Z", "cwe_ids": [ "CWE-79" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2024-12-12T19:22:53Z" }