SSRF in Html2pdf Project

CVE-2021-45394

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2021-45394?
CVE-2021-45394 is a high-severity vulnerability in Html2pdf Project, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2022-01-18.
How severe is CVE-2021-45394?
High severity. CVSS v3 base score is 8.8 out of 10.