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-rw-r--r--src/invidious/routes/feeds.cr6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/invidious/routes/feeds.cr b/src/invidious/routes/feeds.cr
index dd8175dc..1b2cfba0 100644
--- a/src/invidious/routes/feeds.cr
+++ b/src/invidious/routes/feeds.cr
@@ -146,7 +146,11 @@ module Invidious::Routes::Feeds
env.response.headers["Content-Type"] = "application/atom+xml"
env.response.content_type = "application/atom+xml"
- ucid = env.params.url["ucid"]
+ if env.params.url["ucid"].matches?(/^[\w-]+$/)
+ ucid = env.params.url["ucid"]
+ else
+ return error_atom(400, InfoException.new("Invalid channel ucid provided."))
+ end
params = HTTP::Params.parse(env.params.query["params"]? || "")