CVE-2024-28184: WeasyPrint allows the attachment of arbitrary files and URLs to a PDF

Severity: high (CVSS 7.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-09 · updated 2026-06-17
Weakness: CWE-829

Description

WeasyPrint helps web developers to create PDF documents. Since version 61.0, there's a vulnerability which allows attaching content of arbitrary files and URLs to a generated PDF document, even if `url_fetcher` is configured to prevent access to files and URLs. This vulnerability has been patched in version 61.2.

Affected products

Fedoraproject Fedora: 40
Kozea WeasyPrint: from 61.0 before 61.2 — fixed in 61.2

How to fix

Upgrade to a fixed version: Kozea WeasyPrint 61.2. Check the vendor advisory for mitigations.

References

https://github.com/Kozea/WeasyPrint/commit/734ee8e2dc84ff3090682f3abff056d0907c8598
https://github.com/Kozea/WeasyPrint/security/advisories/GHSA-35jj-wx47-4w8r
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLQZMOEDY72TS43HDXOBVID2VYCTWIH6/
https://github.com/Kozea/WeasyPrint/commit/734ee8e2dc84ff3090682f3abff056d0907c8598
https://github.com/Kozea/WeasyPrint/security/advisories/GHSA-35jj-wx47-4w8r
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLQZMOEDY72TS43HDXOBVID2VYCTWIH6/

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