CVE-2025-30939 WordPress IFrame Widget plugin <= 4.1 - Cross Site Scripting (XSS) Vulnerability

Medium 5.9 Published Updated

Stored XSS in WordPress IFrame Widget allows attackers to inject malicious scripts, potentially leading to session hijacking or site defacement.

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-2025-30939?

CVE-2025-30939 is a medium-severity cross-site scripting vulnerability in Debashish IFrame Widget, published on 6 Jun 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 Debashish IFrame Widget iframe-widget allows Stored XSS.This issue affects IFrame Widget: from n/a through <= 4.1.

Weakness: CWE-79

Which versions are affected by CVE-2025-30939?

How do I fix CVE-2025-30939?

No fix has been published for CVE-2025-30939 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-2025-30939 being exploited?

There is no known exploitation of CVE-2025-30939 in the wild and no public exploit code.

Sources

Also known as GHSA-q8xh-qgh4-qq6g.

Is CVE-2025-30939 in your software?

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