# CVE-2023-23896: WordPress URL Shortener by MyThemeShop Plugin <= 1.0.17 is vulnerable to Broken Access Control

> Attackers can bypass authorization checks in the URL Shortener plugin to access restricted functionality without proper permissions.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Jan 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-4mmp-hx5j-xw4g

## What is CVE-2023-23896?

CVE-2023-23896 is a medium-severity missing authorization vulnerability in URL Shortener by MyThemeShop, published on 17 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Missing Authorization vulnerability in MyThemeShop URL Shortener by MyThemeShop.This issue affects URL Shortener by MyThemeShop: from n/a through 1.0.17.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2023-23896?

It affects 1 product.


Products: Mythemeshop Url Shortener.

## How do I fix CVE-2023-23896?

No fix has been published for CVE-2023-23896 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-23896 being exploited?

There is no known exploitation of CVE-2023-23896 in the wild and no public exploit code.

## Other vulnerabilities in URL Shortener by MyThemeShop

- [CVE-2023-30472](https://insights.sbomify.com/CVE-2023-30472/): WordPress URL Shortener by MyThemeShop Plugin <= 1.0.17 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2024-5802](https://insights.sbomify.com/CVE-2024-5802/): URL Shortener by MyThemeShop <= 1.0.17 - Admin+ Stored XSS (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-23896 and fix it if it is affected.

What it is: CVE-2023-23896 is a medium-severity missing authorization vulnerability in URL Shortener by MyThemeShop, published on 17 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-23896 in the wild and no public exploit code.

Affected product: URL Shortener by MyThemeShop. 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-2023-23896/ (Markdown: https://insights.sbomify.com/CVE-2023-23896/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-23896
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-23896
- OSV: https://osv.dev/vulnerability/CVE-2023-23896

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-23896/
Summaries are generated and may contain mistakes; the official description above is the record.