Skip to content

Potential fix for code scanning alert no. 2: Reflected cross-site scripting #16

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
winkingturtle-vmw merged 1 commit into from
Aug 13, 2026
Merged

Potential fix for code scanning alert no. 2: Reflected cross-site scripting #16

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions handlers/handler.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package handlers

import (
"fmt"
"html"
"net/http"
"path/filepath"
"strings"
Expand Down Expand Up @@ -78,12 +79,12 @@ func (h *Handler) GetMeta(writer http.ResponseWriter, request *http.Request) {
if request.URL.Query().Get("go-get") == "1" {
// Always emit go-import and go-source meta tags so `go get` can resolve the import path.
goImportContent := fmt.Sprintf("%s git %s", h.config.ImportPrefix+"/"+repoName, location)
goImport := fmt.Sprintf("<meta name=\"go-import\" content=\"%s\">", goImportContent)
goImport := fmt.Sprintf("<meta name=\"go-import\" content=\"%s\">", html.EscapeString(goImportContent))
logger.Debug("meta.go-import", lager.Data{"content": goImportContent})
fmt.Fprint(writer, goImport) //nolint:errcheck,staticcheck,govet

goSourceContent := fmt.Sprintf("%s _ %s", h.config.ImportPrefix+"/"+repoName, location)
goSource := fmt.Sprintf("<meta name=\"go-source\" content=\"%s\">", goSourceContent)
goSource := fmt.Sprintf("<meta name=\"go-source\" content=\"%s\">", html.EscapeString(goSourceContent))
logger.Debug("meta.go-source", lager.Data{"content": goSourceContent})
fmt.Fprint(writer, goSource) //nolint:errcheck,staticcheck,govet

Expand All @@ -92,7 +93,7 @@ func (h *Handler) GetMeta(writer http.ResponseWriter, request *http.Request) {
logger.Debug("redirect.meta", lager.Data{"path": repoPath})
if _, err := fmt.Fprintf(writer,
"<meta http-equiv=\"refresh\" content=\"0; url=https://pkg.go.dev/%s/%s\">",
h.config.ImportPrefix, repoPath); err != nil {
html.EscapeString(h.config.ImportPrefix), html.EscapeString(repoPath)); err != nil {
logger.Error("redirect.meta", err)
}
} else {
Expand Down