# CVE-2026-17533: All-in-One WP Migration and Backup < 7.108 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via REST Import

> A subsite administrator can execute arbitrary PHP code across the entire WordPress multisite network due to insufficient authorization checks in the import feature.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Aug 2026
- **Updated:** 17 Aug 2026
- **Also known as:** GHSA-qgjj-8h65-3vcm

## What is CVE-2026-17533?

CVE-2026-17533 is a high-severity missing authorization vulnerability in Unknown All-in-One WP Migration and Backup, published on 16 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The All-in-One WP Migration and Backup WordPress plugin before 7.108 does not restrict its migration import functionality to network administrators on multisite installations, allowing an administrator of a single subsite to execute arbitrary PHP code across the entire network.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2026-17533?


## How do I fix CVE-2026-17533?

No fix has been published for CVE-2026-17533 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-17533 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17533 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-17533 and fix it if it is affected.

What it is: CVE-2026-17533 is a high-severity missing authorization vulnerability in Unknown All-in-One WP Migration and Backup, published on 16 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17533 exists.

Affected product: Unknown All-in-One WP Migration and Backup. 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-2026-17533/ (Markdown: https://insights.sbomify.com/CVE-2026-17533/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-17533
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17533
- OSV: https://osv.dev/vulnerability/CVE-2026-17533

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-17533/
Summaries are generated and may contain mistakes; the official description above is the record.