The vulnerability of the addJS() function in the jsPDF library allows a hacker to execute arbitrary code.

The vulnerability of the addJS function in the jsPDF library for creating PDF files is related to improper code generation. Exploiting this vulnerability allows a remote attacker to execute arbitrary code, provided that the user opens a specially crafted PDF file...

jsPDF has a PDF Object Injection via Unsanitized Input in addJS Method

Impact 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...

PT-2026-20850

Name of the Vulnerable Software and Affected Versions jsPDF versions prior to 4.2.0 Description jsPDF is a JavaScript library used to generate PDF documents. A flaw exists where user-controlled input to the addJS method allows an attacker to inject arbitrary PDF objects into generated documents. ...

Cross-User Data Leakage

jsPDF is vulnerable to Cross-User Data Leakage. The vulnerability is due to use of a shared module-scoped variable in the addJS method, where JavaScript content is stored globally in the Node.js build, allowing concurrent PDF generation requests to overwrite each other’s data and cause one user’s...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition in the addJS function due to the use of a shared module-scoped variable for storing JavaScript content. An attacker can cause sensitive data intended for one user to be included in another user's PDF by making concurrent...

PT-2026-6409

Impact The addJS method in the jspdf Node.js build utilizes a shared module-scoped variable text to store JavaScript content. When used in a concurrent environment e.g., a Node.js web server, this variable is shared across all requests. If multiple requests generate PDFs simultaneously, the...