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CVE-2021-24471 The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode…

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).

Affected products and versions

Product Affected versions Fixed in
YouTube Embed 5.2 earliest → < 5.2.2 5.2.2

Other CVEs of YouTube Embed

The 2 CVEs of YouTube Embed →
CVE-2026-88793 The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX… 8.8 High
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