DuckDuckGo: SSRF in proxy.duckduckgo.com via the image_host parameter

Description https://proxy.duckduckgo.com/iur/ endpoint is vulnerable to ssrf via imagehost get parameter. Vulnerable URL: https://proxy.duckduckgo.com/iur/?f=1&imagehost=https://tudomanyok.hu/ Some internal URL: https://proxy.duckduckgo.com/iur/?f=1&imagehost=https://127.0.0.1:18091/...

Design/Logic Flaw

Zenoss Core through 5 Beta 3 allows remote attackers to obtain sensitive information by attempting a product-rename action with an invalid new name and then reading a stack trace, as demonstrated by internal URL information, aka ZEN-15382...