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High severityNVD Advisory· Published Feb 19, 2026· Updated Feb 19, 2026

jsPDF has PDF Object Injection via Unsanitized Input in addJS Method

CVE-2026-25755

Description

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of the argument of the addJS method allows an attacker to inject arbitrary PDF objects into the generated document. By crafting a payload that escapes the JavaScript string delimiter, an attacker can execute malicious actions or alter the document structure, impacting any user who opens the generated PDF. The vulnerability has been fixed in jspdf@4.2.0. As a workaround, escape parentheses in user-provided JavaScript code before passing them to the addJS method.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
jspdfnpm
< 4.2.04.2.0

Affected products

75

Patches

Vulnerability mechanics

References

6

News mentions

0

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