{"cve":"CVE-2021-45394","nvd":{"published":"2022-01-18T12:15:08.243","modified":"2026-06-17T04:13:20.027","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-502","CWE-918"],"references":["https://github.com/spipu/html2pdf","https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md","https://www.synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf","https://github.com/spipu/html2pdf","https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md"],"products":["html2pdf_project:html2pdf"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-45394","score":0.01581,"percentile":0.75527,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}