# CVE-2026-9067: Schema & Structured Data for WP & AMP < 1.60 - Unauthenticated Arbitrary Media Upload

> Unauthenticated attackers can upload arbitrary files via AJAX handlers, potentially leading to remote code execution on WordPress sites using this plugin.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 10 Jun 2026
- **Updated:** 10 Jun 2026
- **Also known as:** GHSA-cwcg-79p4-f24h

## What is CVE-2026-9067?

CVE-2026-9067 is a critical vulnerability in Unknown Schema & Structured Data for WP & AMP, published on 10 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Schema & Structured Data for WP & AMP WordPress plugin before 1.60 does not check user capabilities on its frontend AJAX file-upload handlers and does not validate the actual content of uploaded files against the endpoint's intended media type, allowing unauthenticated users to upload any file type accepted by WordPress's media library through endpoints that should only accept images or videos.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2026-9067?


## How do I fix CVE-2026-9067?

No fix has been published for CVE-2026-9067 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9067 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9067 exists.

Public exploit code:

- Schema & Structured Data for WP & AMP < 1.60 - Unauthenticated Arbitrary Media Upload [POC & Xploit] (github_poc): https://github.com/Polosss/By-Poloss..-..CVE-2026-9067

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9067 and fix it if it is affected.

What it is: CVE-2026-9067 is a critical vulnerability in Unknown Schema & Structured Data for WP & AMP, published on 10 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9067 exists.

Affected product: Unknown Schema & Structured Data for WP & AMP. 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-2026-9067/ (Markdown: https://insights.sbomify.com/CVE-2026-9067/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9067
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9067
- OSV: https://osv.dev/vulnerability/CVE-2026-9067

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-9067/
Summaries are generated and may contain mistakes; the official description above is the record.