What’s Vulnerable › Vulnerabilities

CVE-2023-6710: Mod_cluster/mod_proxy_cluster: stored cross site scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-12 · updated 2026-09-19
• Weakness: CWE-79

Description

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.

Affected products

• Modcluster Mod Proxy Cluster: all versions
• Red Hat Enterprise Linux: 9.0

References

• https://access.redhat.com/errata/RHSA-2024:1316
• https://access.redhat.com/errata/RHSA-2024:1317
• https://access.redhat.com/errata/RHSA-2024:2387
• https://access.redhat.com/security/cve/CVE-2023-6710
• https://bugzilla.redhat.com/show_bug.cgi?id=2254128
• https://access.redhat.com/errata/RHSA-2024:1316
• https://access.redhat.com/errata/RHSA-2024:1317
• https://access.redhat.com/errata/RHSA-2024:2387
• https://access.redhat.com/security/cve/CVE-2023-6710
• https://bugzilla.redhat.com/show_bug.cgi?id=2254128

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