# CVE-2023-41609: Open redirect in n/a

> Attackers can redirect users to malicious sites via crafted URLs in CouchCMS, potentially facilitating phishing attacks.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Sep 2023
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-xgrq-27cp-45v2

## What is CVE-2023-41609?

CVE-2023-41609 is a medium-severity vulnerability in n/a, published on 11 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

An open redirect vulnerability in the sanitize_url() parameter of CouchCMS v2.3 allows attackers to redirect a victim user to an arbitrary web site via a crafted URL.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2023-41609?

It affects 1 product.


Products: Couchcms Couchcms.

## How do I fix CVE-2023-41609?

No fix has been published for CVE-2023-41609 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-41609 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-41609 exists.

## Other vulnerabilities in n/a

- [CVE-2026-29002](https://insights.sbomify.com/CVE-2026-29002/): CouchCMS Privilege Escalation via f_k_levels_list Parameter (high 8.6)
- [CVE-2025-67004](https://insights.sbomify.com/CVE-2025-67004/): Path traversal in n/a (medium 6.5)
- [CVE-2025-15005](https://insights.sbomify.com/CVE-2025-15005/): CouchCMS reCAPTCHA config.example.php hard-coded key (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-41609 and fix it if it is affected.

What it is: CVE-2023-41609 is a medium-severity vulnerability in n/a, published on 11 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-41609 exists.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-41609/ (Markdown: https://insights.sbomify.com/CVE-2023-41609/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-41609
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-41609
- OSV: https://osv.dev/vulnerability/CVE-2023-41609

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-41609/
Summaries are generated and may contain mistakes; the official description above is the record.