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Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

🗓️ 22 Apr 2026 19:55:51Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

XSS via case-insensitive closing tag bypass in runtime escaping for script and style blocks.

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13 May 2026 13:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.4
EPSS0.00011
SSVC
8