CVE-2025-23639 WordPress MDC YouTube Downloader plugin <= 3.0.0 - CSRF to Stored XSS vulnerability

Q: What is CVE-2025-23639?

CVE-2025-23639 is a high-severity vulnerability in Nazmul Ahsan MDC YouTube Downloader, published on 16 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2025-23639 being exploited?

There is no known exploitation of CVE-2025-23639 in the wild and no public exploit code.

Q: How do I fix CVE-2025-23639?

No fix has been published for CVE-2025-23639 yet. Limit exposure of the affected software until one is available.

High 7.1 Published 16 Jan 2025 Updated 28 Apr 2026

Attackers can exploit CSRF to inject stored XSS payloads, allowing script execution in victim browsers via the MDC YouTube Downloader plugin.

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: None listed

What is CVE-2025-23639?

CVE-2025-23639 is a high-severity vulnerability in Nazmul Ahsan MDC YouTube Downloader, published on 16 Jan 2025. 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

Cross-Site Request Forgery (CSRF) vulnerability in Nazmul Ahsan MDC YouTube Downloader mdc-youtube-downloader allows Stored XSS.This issue affects MDC YouTube Downloader: from n/a through <= 3.0.0.

Weakness: CWE-352

Which versions are affected by CVE-2025-23639?

It affects 1 product.

Products include Mdc Youtube Downloader Project Mdc Youtube Downloader.

How do I fix CVE-2025-23639?

No fix has been published for CVE-2025-23639 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-23639 being exploited?

There is no known exploitation of CVE-2025-23639 in the wild and no public exploit code.

Sources

Also known as GHSA-39w4-5q2q-f2p2.