Provide references for CVE-2017-20174.
Where can I find more information about CVE-2017-20174?
References are available at: https://vuldb.com/?id.218894, https://vuldb.com/?ctiid.218894, https://github.com/bastianallgeier/kirby-webmentions/commit/55bedea78ae9af916a9a41497bd9996417851502.