CVE-2026-25940 jsPDF has a PDF Injection in AcroForm module allows Arbitrary JavaScript Execution (RadioButton.createOption and "AS" property)
Attackers can inject arbitrary JavaScript into PDFs via unsanitized input in jsPDF's AcroForm module, executing code when victims interact with radio options.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-25940?
CVE-2026-25940 is a high-severity code injection vulnerability in parallax jsPDF, published on 19 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, user control of properties and methods of the Acroform module allows users to inject arbitrary PDF objects, such as JavaScript actions. If given the possibility to pass unsanitized input to one of the following property, a user can inject arbitrary PDF objects, such as JavaScript actions, which are executed when the victim hovers over the radio option. The vulnerability has been fixed in [email protected]. As a workaround, sanitize user input before passing it to the vulnerable API members.
Weakness: CWE-116
Which versions are affected by CVE-2026-25940?
2 open source packages ship an affected version, including jspdf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jspdf npm | All versions | 4.2.0 |
jspdf npm | All versions | 4.2.0 |
Products include Parall Jspdf.
How do I fix CVE-2026-25940?
Upgrade jspdf to 4.2.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-25940 being exploited?
There is no known exploitation of CVE-2026-25940 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in parallax jsPDF
- CVE-2026-31938 jsPDF has HTML Injection in New Window paths
- CVE-2025-68428 jsPDF has Local File Inclusion/Path Traversal vulnerability
- CVE-2026-25535 jsPDF Affected by Client-Side/Server-Side Denial of Service via Malicious GIF Dimensions
- CVE-2026-24133 jsPDF Affected by Denial of Service (DoS) via Unvalidated BMP Dimensions in BMPDecoder
- CVE-2025-57810 jsPDF Parsing of Corrupt PNGs Leads to Potential Denial of Service (DoS)
Sources
Also known as GHSA-p5xg-68wr-hm3m, ROOT-APP-NPM-CVE-2026-25940.