CVE-2021-24464: YouTube Embed, Playlist and Popup < 2.3.9 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-02 · updated 2026-06-17
Weakness: CWE-79

Description

The YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin before 2.3.9 did not escape, validate or sanitise some of its shortcode options, available to users with a role as low as Contributor, leading to an authenticated Stored Cross-Site Scripting issue.

Affected products

WPdevart YouTube Embed, Playlist and Popup by WpDevArt: before 2.3.9 — fixed in 2.3.9

How to fix

Upgrade to a fixed version: WPdevart YouTube Embed, Playlist and Popup by WpDevArt 2.3.9. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/531b3fac-48b9-4821-a3aa-4db073d43aae
https://wpscan.com/vulnerability/531b3fac-48b9-4821-a3aa-4db073d43aae

Get alerted when CVE-2021-24464 or the next vulnerability affects your stack