CVE-2025-31008: WordPress YouTube Embed plugin <= 5.3.1 - Cross Site Scripting (XSS) Vulnerability

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-09 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Embeds For YouTube Plugin Support YouTube Embed youtube-embed allows Stored XSS.This issue affects YouTube Embed: from n/a through <= 5.3.1.

Affected products

Embeds For YouTube Plugin Support YouTube Embed: through 5.3.1

References

https://patchstack.com/database/Wordpress/Plugin/youtube-embed/vulnerability/wordpress-youtube-embed-5-3-1-cross-site-scripting-xss-vulnerability?_s_id=cve

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