CVE-2025-23943 WordPress PDF.js Shortcode plugin <= 1.0 - Cross Site Scripting (XSS) vulnerability
A stored XSS vulnerability in the PDF.js Shortcode plugin allows attackers to inject malicious scripts into web pages viewed by other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-23943?
CVE-2025-23943 is a medium-severity cross-site scripting vulnerability in aruvi PDF.js Shortcode, published on 16 Jan 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in aruvi PDF.js Shortcode pdfjs-shortcode allows Stored XSS.This issue affects PDF.js Shortcode: from n/a through <= 1.0.
Weakness: CWE-79
Which versions are affected by CVE-2025-23943?
How do I fix CVE-2025-23943?
No fix has been published for CVE-2025-23943 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-23943 being exploited?
There is no known exploitation of CVE-2025-23943 in the wild and no public exploit code.
Sources
Also known as GHSA-f6jp-xj87-7vqp.