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HIGH

CVE-2021-45394

CVSS v3

8.8

HIGH

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2022-01-18

Frequently asked questions

What is 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.

Is CVE-2021-45394 actively exploited?

Active exploitation of CVE-2021-45394 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45394?

CVE-2021-45394 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-45394 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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