CVE-2025-53563 WordPress Youtube Vimeo Video Player and Slider <= 3.8 - Cross Site Scripting (XSS) Vulnerability
Reflected XSS in the Youtube Vimeo Video Player and Slider plugin allows attackers to inject malicious scripts into web pages viewed by other users.
- 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-2025-53563?
CVE-2025-53563 is a high-severity cross-site scripting vulnerability in LambertGroup Youtube Vimeo Video Player and Slider, published on 20 Aug 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup Youtube Vimeo Video Player and Slider video_player_youtube_vimeo allows Reflected XSS.This issue affects Youtube Vimeo Video Player and Slider: from n/a through <= 3.8.
Weakness: CWE-79
Which versions are affected by CVE-2025-53563?
How do I fix CVE-2025-53563?
No fix has been published for CVE-2025-53563 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-2025-53563 being exploited?
There is no known exploitation of CVE-2025-53563 in the wild and no public exploit code.
Sources
Also known as GHSA-3gwq-43rx-mfrg.