# CVE-2026-81343: Frontend Admin by DynamiApps <= 3.29.13 - Unauthenticated ACF Options Page Field Update via Form Submission

> Unauthenticated attackers can overwrite site-wide ACF option values via a public form due to missing capability checks in the Frontend Admin 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:** 17 Oct 2026
- **Updated:** 18 Oct 2026
- **Also known as:** GHSA-jjg3-qq29-rm7h

## What is CVE-2026-81343?

CVE-2026-81343 is a medium-severity missing authorization vulnerability in Unknown ACF Frontend Admin by DynamiApps, published on 17 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 does not perform a capability check on one of its form-submission actions before writing submitted values into the site's global ACF options store, allowing unauthenticated visitors to overwrite site-wide option values via a public form.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-81343?


## How do I fix CVE-2026-81343?

No fix has been published for CVE-2026-81343 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-81343 being exploited?

There is no known exploitation of CVE-2026-81343 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-81343 and fix it if it is affected.

What it is: CVE-2026-81343 is a medium-severity missing authorization vulnerability in Unknown ACF Frontend Admin by DynamiApps, published on 17 Oct 2026. 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-2026-81343 in the wild and no public exploit code.

Affected product: Unknown ACF Frontend Admin by DynamiApps. 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-2026-81343/ (Markdown: https://insights.sbomify.com/CVE-2026-81343/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-81343
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-81343
- OSV: https://osv.dev/vulnerability/CVE-2026-81343

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-81343/
Summaries are generated and may contain mistakes; the official description above is the record.