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CVE-2026-24043: jsPDF Affected by Stored XMP Metadata Injection (Spoofing & Integrity Violation)

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-02 · updated 2026-06-17
• Weakness: CWE-74

Description

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.1.0, user control of the first argument of the addMetadata function allows users to inject arbitrary XML. If given the possibility to pass unsanitized input to the addMetadata method, a user can inject arbitrary XMP metadata into the generated PDF. If the generated PDF is signed, stored or otherwise processed after, the integrity of the PDF can no longer be guaranteed. The vulnerability has been fixed in jsPDF@4.1.0.

Affected products

• parallax jsPDF: before 4.1.0 — fixed in 4.1.0

How to fix

Upgrade to a fixed version: parallax jsPDF 4.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/parallax/jsPDF/commit/efe54bf50f3f5e5416b2495e3c24624fc80b6cff
• https://github.com/parallax/jsPDF/releases/tag/v4.1.0
• https://github.com/parallax/jsPDF/security/advisories/GHSA-vm32-vv63-w422

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