
CVE-2019-10092: Limited Cross-Site Scripting via "Proxy Error" Page in Apache HTTP Server
In Apache HTTP Server 2.4.0-2.4.39, a limited cross-site scripting issue was reported affecting the mod_proxy error page. An attacker could cause the link on the error page to be malformed and instead point to a page of their choice. This would only be exploitable where a server was set up with proxying enabled but was misconfigured in such a way that the Proxy Error page was displayed.
The vendor's disclosure and fix for this vulnerability can be found here.
This vulnerability requires:
More details and the exploitation process can be found in this PDF.
Alternative method for exploiting CVE-2019-10092 presented by Sebastian Neef in this blog post