XSS Vulnerability in bluemonday before 1.0.5 due to Lowercasing of Cyrillic Characters

XSS Vulnerability in bluemonday before 1.0.5 due to Lowercasing of Cyrillic Characters

CVE-2021-29272 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.

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