Is youtube-embed (WordPress plugin) vulnerable?

WordPress youtube-embed has 2 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

2advisories

0critical

0on CISA KEV

1no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2015-6535	Cross-site scripting (XSS) vulnerability in includes/options-profiles.php in the YouTube Embed plugin before 3.3.3 for WordPress allows remo	low	3.5	`<=3.3.2`	–
CVE-2021-24471	The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode attributes, leading to Stored XS	medium	5.4	`<5.2.2`	`5.2.2`

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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