CVE-2021-24471

Medium

Description

The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode attributes, leading to Stored XSS issues by 1. using w, h, controls, cc_lang, color, language, start, stop, or style parameter of youtube shortcode, 2. by using style, class, rel, target, width, height, or alt parameter of youtube_thumb shortcode, or 3. by embedding a video whose title or description contains XSS payload (if API key is configured).

SeverityMedium
CVSS5.4
Exploit probability—
ProductYoutube Embed
PublishedAug 16, 2021
First seenAug 16, 2021

How to fix

Update
  • youtube_embed_project youtube_embed5.2.2 or later

Affected products

ProductAffected versionsFixed in
youtube_embed_project youtube_embedv < 5.2.25.2.2

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CVE-2021-24471 · Youtube Embed · Dark Radar