CVE-2024-55878: Cross-site Scripting vulnerability in SimpleXLSXEx::readXfs and SimpeXLSX::toHTMLEx

December 12, 2024

When calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code.

References

github.com/advisories/GHSA-x6mh-rjwm-8ph7
github.com/shuchkin/simplexlsx
github.com/shuchkin/simplexlsx/commit/cb4e716259e83d18e89292a4f1b721f4d34e28c2
github.com/shuchkin/simplexlsx/security/advisories/GHSA-x6mh-rjwm-8ph7
nvd.nist.gov/vuln/detail/CVE-2024-55878

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