CVE-2024-56411

Public Exploit
PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header

Description

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have a cross-site scripting (XSS) vulnerability of the hyperlink base in the HTML page header. The HTML page is formed without sanitizing the hyperlink base. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory github.com
Affected: PHPOffice PhpSpreadsheet
Published at:
Updated at:

References

Link Tags
https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-hwcp-2h35-p66w vendor advisory exploit
https://github.com/PHPOffice/PhpSpreadsheet/commit/45052f88e04c735d56457a8ffcdc40b2635a028e patch

Frequently Asked Questions

What is the severity of CVE-2024-56411?
CVE-2024-56411 has been scored as a medium severity vulnerability.
How to fix CVE-2024-56411?
To fix CVE-2024-56411, 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-2024-56411 being actively exploited in the wild?
It is possible that CVE-2024-56411 is being exploited or will be exploited in a near future based on public information. 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-2024-56411?
CVE-2024-56411 affects PHPOffice PhpSpreadsheet.
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