---
id: CVE-2023-6710
title: A flaw was found in the mod_proxy_cluster in the Apache server
summary: >-
  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 …
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: modcluster
product: mod_proxy_cluster
affected:
  - mod_proxy_cluster
  - enterprise_linux = 9.0
published: '2023-12-12'
updated: '2026-09-19'
sourceUpdated: '2026-09-19T12:16:37.010'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-6710'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:1316'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1317'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:2387'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6710'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2254128'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:1316'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:1317'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:2387'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/security/cve/CVE-2023-6710'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2254128'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-6710.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2023-6710'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-6710'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.02242
epssPercentile: 0.82102
exploits:
  exploitdb: true
  github: 2
  githubRepos:
    - 'https://github.com/DedSec-47/Metasploit-Exploits-CVE-2023-6710'
    - 'https://github.com/DedSec-47/CVE-2023-6710'
  checkedAt: '2026-09-25T08:20:42.208Z'
exploitAvailable: true
ingestedAt: '2026-09-19T12:02:33.560Z'
patched:
  - jboss_core_services_on_rhel_7_server
  - jboss_core_services_on_rhel 8
  - enterprise_linux_appstream_v_9
---

## Overview

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

- `mod_proxy_cluster`
- `enterprise_linux = 9.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **RHSA-2024:1316** · Red Hat · fixed in: Red Hat JBoss Core Services on RHEL 7 Server, Red Hat JBoss Core Services on RHEL 8 · released 2024-03-18 · [advisory](https://access.redhat.com/errata/RHSA-2024:1316)
- **RHSA-2024:2387** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2024-04-30 · [advisory](https://access.redhat.com/errata/RHSA-2024:2387)