CVE-2025-57940 WordPress Append extensions on Pages Plugin <= 1.1.2 - Cross Site Scripting (XSS) Vulnerability
A stored cross-site scripting vulnerability in the Append extensions on Pages WordPress plugin allows attackers to inject malicious scripts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-57940?
CVE-2025-57940 is a medium-severity cross-site scripting vulnerability in Suresh Kumar Mukhiya Append extensions on Pages, published on 22 Sep 2025. An attacker needs administrator access to exploit it, 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 Suresh Kumar Mukhiya Append extensions on Pages append-extensions-on-pages allows Stored XSS.This issue affects Append extensions on Pages: from n/a through <= 1.1.2.
Weakness: CWE-79
Which versions are affected by CVE-2025-57940?
How do I fix CVE-2025-57940?
No fix has been published for CVE-2025-57940 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-2025-57940 being exploited?
There is no known exploitation of CVE-2025-57940 in the wild and no public exploit code.
Sources
Also known as GHSA-73gj-4q98-4h7q.