Potential fix for code scanning alert no. 5: Reflected cross-site scripting - #13
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aramprice wants to merge 1 commit into
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Potential fix for code scanning alert no. 5: Reflected cross-site scripting#13aramprice wants to merge 1 commit into
aramprice wants to merge 1 commit into
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aramprice
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August 6, 2026 17:03
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Potential fix for https://github.com/cloudfoundry/go-fetcher/security/code-scanning/5
The safest fix is contextual output encoding for any user-influenced value before inserting it into HTML. Here,
repoName(from the URL path) is used in HTML attribute values for bothgo-importandgo-sourcemeta tags. Escape the fully composed attribute content strings withhtml.EscapeStringbefore formatting HTML.Best minimal-change fix in
handlers/handler.go:html.goImportContentbefore constructinggoImport.goSourceContentbefore constructinggoSource.This preserves existing behavior while preventing attribute-breaking XSS payloads from being reflected.
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