CVE-2021-45394

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502 CWE-918

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/spipu/html2pdfProduct, Third Party Advisory
https://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory
https://github.com/spipu/html2pdfProduct, Third Party Advisory
https://github.com/spipu/html2pdf/blob/master/CHANGELOG.mdRelease Notes, Third Party Advisory
https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdfExploit, Third Party Advisory

Timeline

Published: Jan 18, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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