Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-45394
CVE-2021-45394:
PHP vulnerability analysis and mitigation
Overview
An issue was discovered in Spipu HTML2PDF before version 5.2.4 that allows attackers to trigger deserialization of arbitrary data via the injection of a malicious tag in the converted HTML document (NVD, CVE).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 8.8 (HIGH) with the vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The issue is classified under CWE-502 (Deserialization of Untrusted Data) and CWE-918 (Server-Side Request Forgery) (NVD).
Impact
Successful exploitation of this vulnerability could allow attackers to execute arbitrary code through deserialization of untrusted data, potentially leading to complete system compromise with high impacts on confidentiality, integrity, and availability (NVD).
Mitigation and workarounds
Users should upgrade to HTML2PDF version 5.2.4 or later to address this vulnerability. The fix was implemented in the 5.2.4 release (HTML2PDF Changelog).
Additional resources
Source: This report was generated using AI
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