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Leaf-kit html escaping does not work on characters that are part of extended grapheme cluster

🗓️ 19 Feb 2026 19:40:08Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Leaf-kit htmlEscaped fails on extended grapheme clusters, risking cross site scripting in attributes.

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22 Apr 2026 16:24Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.1
EPSS0.00017
SSVC
3