CVE-2026-73492: Cgi Unescape Html Uri Validation Bypass
CGI.unescapeHTML does not decode semicolon-less numeric character references (such as : or :). Relying on CGI.unescapeHTML alone prior to URI scheme validation can allow malicious protocols like javascript: to bypass sanitization in web browsers.
Rubygreprules fetch cve-2026-73492-cgi-unescape-html-uri-validation-bypass --engine opengrepDescription
CGI.unescapeHTML does not decode semicolon-less numeric character references (such as : or :). Relying on CGI.unescapeHTML alone prior to URI scheme validation can allow malicious protocols like javascript: to bypass sanitization in web browsers.
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