[HIGH] Star Citizen EmbedVideo Extension Stored XSS through wikitext caused by usage of non-reserved data attributes

PKSA-fnny-x6d4-t1qw CVE-2025-59839 GHSA-4j5h-mvj3-m48v

Affected package: starcitizenwiki/embedvideo

Affected version: <=4.0.0

Reported by:
GitHub