# CVE-2024-34821: WordPress Contact List plugin <= 2.9.87 - Broken Access Control vulnerability

> Attackers can access or modify contact list data without proper authorization due to missing checks in the WordPress Contact List plugin.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Jun 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-4cv3-4q3c-54v6

## What is CVE-2024-34821?

CVE-2024-34821 is a medium-severity missing authorization vulnerability in Anssi Laitila Contact List, published on 11 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing Authorization vulnerability in Anssi Laitila Contact List contact-list.This issue affects Contact List: from n/a through <= 2.9.87.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2024-34821?

It affects 1 product.


Products: Contactlistpro Contact List.

## How do I fix CVE-2024-34821?

No fix has been published for CVE-2024-34821 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-34821 being exploited?

There is no known exploitation of CVE-2024-34821 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-34821 and fix it if it is affected.

What it is: CVE-2024-34821 is a medium-severity missing authorization vulnerability in Anssi Laitila Contact List, published on 11 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-34821 in the wild and no public exploit code.

Affected product: Anssi Laitila Contact List. 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-2024-34821/ (Markdown: https://insights.sbomify.com/CVE-2024-34821/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-34821
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-34821
- OSV: https://osv.dev/vulnerability/CVE-2024-34821

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-34821/
Summaries are generated and may contain mistakes; the official description above is the record.