CVE-2021-45394 - Vulnerability Details - OpenCVE

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.

Published: 2022-01-18

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:html2pdf_project:html2pdf:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-0482	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.
Github GHSA	GHSA-6m93-343m-3jrc	Cross-site Scripting in HTML2PDF

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00377.

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00358}`	epss `{'score': 0.00377}`

Subscriptions

Html2pdf Project Html2pdf

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-01-18T11:15:45.000Z

Updated: 2024-08-04T04:39:20.565Z

Reserved: 2021-12-20T00:00:00.000Z

Link: CVE-2021-45394

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-18T12:15:08.243

Modified: 2024-11-21T06:32:09.660

Link: CVE-2021-45394

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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