CVE-2019-10092 Cross-site scripting in Apache HTTP Server

Medium 6.1 Published Updated

An attacker can exploit a cross-site scripting vulnerability in the mod_proxy error page of Apache HTTP Server when proxying is enabled and misconfigured.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-10092?

CVE-2019-10092 is a medium-severity cross-site scripting vulnerability in Apache Http Server, published on 26 Sep 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2019-10092?

It affects 10 products.

Linux distribution packages (3)
apache2 SUSE:Linux Enterprise Server 12 SP5All versions2.4.23-29.69.1
apache2 SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions2.4.23-29.69.1
apache2 SUSE:Linux Enterprise Software Development Kit 12 SP5All versions2.4.23-29.69.1

Products include Apache Http Server, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Netapp Clustered Data Ontap, Opensuse Leap and 4 more.

How do I fix CVE-2019-10092?

Apply the vendor's patch.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-10092 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-10092 exists.

Public exploit code: 1 Exploit-DB entry, 1 Nuclei template and 2 proofs of concept on GitHub.

All Apache Http Server vulnerabilities

Sources

Also known as ALPINE-CVE-2019-10092, CLEANSTART-2026-KO94299, DEBIAN-CVE-2019-10092, DSA-4509-3, GHSA-qrr6-fpf4-x3v4, SUSE-SU-2021:0779-1 and 1 more.

Is CVE-2019-10092 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free