# CVE-2026-89023: ThemeAtelier Domain For Sale < 3.5.2 Missing Authorization via REST API

> Unauthenticated attackers can access and manipulate protected REST API resources, exposing sensitive bidder and business data in the Domain For Sale plugin.

- **Severity:** High 8.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Sep 2026
- **Updated:** 14 Sep 2026
- **Also known as:** GHSA-2wh4-7p8q-3mh2

## What is CVE-2026-89023?

CVE-2026-89023 is a high-severity missing authorization vulnerability in ThemeAtelier Domain For Sale, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ThemeAtelier Domain For Sale plugin for WordPress before 3.5.2 contains a missing authorization vulnerability in its REST API endpoints that allows unauthenticated attackers to access and manipulate protected resources. Attackers can retrieve stored offer records, delete arbitrary offers by numeric identifier, and access dashboard statistics to disclose bidder contact information, offer details, messages, verification tokens, and business data.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-89023?


## How do I fix CVE-2026-89023?

No fix has been published for CVE-2026-89023 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-89023 being exploited?

There is no known exploitation of CVE-2026-89023 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-89023 and fix it if it is affected.

What it is: CVE-2026-89023 is a high-severity missing authorization vulnerability in ThemeAtelier Domain For Sale, published on 14 Sep 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-2026-89023 in the wild and no public exploit code.

Affected product: ThemeAtelier Domain For Sale. 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-2026-89023/ (Markdown: https://insights.sbomify.com/CVE-2026-89023/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-89023
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89023
- OSV: https://osv.dev/vulnerability/CVE-2026-89023

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-89023/
Summaries are generated and may contain mistakes; the official description above is the record.