CVE-2024-55878

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

Description

SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in version 1.0.12 and prior to version 1.1.12, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. Version 1.1.12 fixes the issue. As a workaround, don't use direct publication via toHTMLEx.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: shuchkin simplexlsx
Published at:
Updated at:

References

Link Tags
https://github.com/shuchkin/simplexlsx/security/advisories/GHSA-x6mh-rjwm-8ph7
https://github.com/shuchkin/simplexlsx/commit/cb4e716259e83d18e89292a4f1b721f4d34e28c2

Frequently Asked Questions

What is the severity of CVE-2024-55878?
CVE-2024-55878 has been scored as a medium severity vulnerability.
How to fix CVE-2024-55878?
To fix CVE-2024-55878, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-55878 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-55878 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-55878?
CVE-2024-55878 affects shuchkin simplexlsx.
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