XSS in Modcluster Mod Proxy Cluster

CVE-2023-6710

A flaw was found in the mod_proxy_cluster in the Apache server. This issue may allow a malicious user to add a script in the 'alias' parameter in the URL to trigger the stored cross-site scripting (XSS) vulnerability. By adding a script on the alias parameter on the URL, it adds a new virtual host and adds the script to the cluster-manager page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.022 (81.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6710?
CVE-2023-6710 is a medium-severity vulnerability in Modcluster Mod Proxy Cluster, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-12-12.
How severe is CVE-2023-6710?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-6710 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.