# CVE-2023-5843: Ads by datafeedr.com <= 1.1.3 - Unauthenticated (Limited) Remote Code Execution

> Unauthenticated attackers can execute limited code on the server via the Ads by datafeedr.com WordPress plugin.

- **Severity:** Critical 9.0 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Oct 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-97wj-4q63-7pp6

## What is CVE-2023-5843?

CVE-2023-5843 is a critical code injection vulnerability in datafeedrcom Ads by datafeedr.com, published on 30 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Ads by datafeedr.com plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 1.1.3 via the 'dfads_ajax_load_ads' function. This allows unauthenticated attackers to execute code on the server. The parameters of the callable function are limited, they cannot be specified arbitrarily.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2023-5843?

It affects 1 product.


Products: Datafeedr Ads by Datafeedr.com.

## How do I fix CVE-2023-5843?

No fix has been published for CVE-2023-5843 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5843 being exploited?

There is no known exploitation of CVE-2023-5843 in the wild and no public exploit code.

## Other vulnerabilities in datafeedrcom Ads by datafeedr.com

- [CVE-2023-49169](https://insights.sbomify.com/CVE-2023-49169/): WordPress Ads by datafeedr.com Plugin <= 1.2.0 is vulnerable to Cross Site Scripting (XSS) (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5843 and fix it if it is affected.

What it is: CVE-2023-5843 is a critical code injection vulnerability in datafeedrcom Ads by datafeedr.com, published on 30 Oct 2023. 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-2023-5843 in the wild and no public exploit code.

Affected product: datafeedrcom Ads by datafeedr.com. 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-2023-5843/ (Markdown: https://insights.sbomify.com/CVE-2023-5843/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5843
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5843
- OSV: https://osv.dev/vulnerability/CVE-2023-5843

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5843/
Summaries are generated and may contain mistakes; the official description above is the record.