HIGH8.8

GHSA-6m93-343m-3jrc

Cross-site Scripting in HTML2PDF

Quick fix

GHSA-6m93-343m-3jrc — spipu/html2pdf: upgrade to the fixed version with the command below.

composer require spipu/html2pdf:^5.2.4

Details

An issue was discovered in Spipu HTML2PDF before 5.2.4. Attackers can trigger deserialization of arbitrary data via the injection of a malicious <link> tag in the converted HTML document.

Are you affected?

Enter the version of the package you're using.

Affected packages

Packagist/spipu/html2pdf

Introduced in: 0Fixed in: 5.2.4

Fixcomposer require spipu/html2pdf:^5.2.4

References

https://nvd.nist.gov/vuln/detail/CVE-2021-45394[ADVISORY]
https://github.com/spipu/html2pdf/commit/100a4d509abf8550765cf0e0da83e83abb422585[WEB]
https://github.com/spipu/html2pdf/commit/2e6bab9a2afe9cfd4d3c3038da64d8ad74e41d7f[WEB]
https://github.com/spipu/html2pdf[PACKAGE]
https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md[WEB]
https://github.com/spipu/html2pdf/releases/tag/v5.2.4[WEB]
https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf[WEB]