diff options
| -rw-r--r-- | modules/context/context.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/modules/context/context.go b/modules/context/context.go index 61f58eabb2..6cd503984f 100644 --- a/modules/context/context.go +++ b/modules/context/context.go @@ -181,6 +181,12 @@ func (ctx *Context) RedirectToFirst(location ...string) { continue } + // Unfortunately browsers consider a redirect Location with preceding "//" and "/\" as meaning redirect to "http(s)://REST_OF_PATH" + // Therefore we should ignore these redirect locations to prevent open redirects + if len(loc) > 1 && loc[0] == '/' && (loc[1] == '/' || loc[1] == '\\') { + continue + } + u, err := url.Parse(loc) if err != nil || ((u.Scheme != "" || u.Host != "") && !strings.HasPrefix(strings.ToLower(loc), strings.ToLower(setting.AppURL))) { continue |