Medium severity5.4OSV Advisory· Published Dec 23, 2024· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
shuchkin/simplexlsxPackagist	>= 1.0.12, < 1.1.13	1.1.13

Affected products

ghsa-coords
pkg:composer/shuchkin/simplexlsx
Range: >= 1.0.12, < 1.1.13
Shuchkin/SimplexlsxOSV
Range: 1.0.12, 1.0.13, 1.0.14, …

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-r87q-fj25-f8jfghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2024-56364ghsaADVISORY
github.com/shuchkin/simplexlsx/commit/71a5e3d40d14e33161f8a40b3fd02de542218ef0nvdWEB
github.com/shuchkin/simplexlsx/security/advisories/GHSA-r87q-fj25-f8jfnvdWEB

News mentions

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cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000