Medium severity5.4NVD Advisory· Published Aug 16, 2021· Updated Jun 17, 2026
CVE-2021-24471
CVE-2021-24471
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).
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Affected products
3- WordPress/YouTube Embeddescription
- cpe:2.3:a:youtube_embed_project:youtube_embed:*:*:*:*:*:wordpress:*:*Range: <5.2.2
Patches
Vulnerability mechanics
References
1- wpscan.com/vulnerability/a8ccb09a-9f8c-448f-b2d0-9b01c3a748acnvdExploitThird Party Advisory
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