CVE-2021-45394 is a critical deserialization vulnerability affecting Spipu HTML2PDF versions prior to 5.2.4, allowing attackers to inject malicious HTML <link> tags to trigger arbitrary data deserialization. With a CVSS score of 8.8 (High), this vulnerability is remotely exploitable with low complexity, requiring user interaction, and can lead to high impacts on confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.2.4CPE matchmatch criteria | cpe:2.3:a:html2pdf_project:html2pdf:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.