# CVE-2026-89004: WPeMatico RSS Feed Fetcher < 2.8.26 - Contributor+ Campaign Configuration and Log Disclosure via IDOR

> Contributors can read other users' campaign configurations and logs due to missing authorization checks in the WPeMatico plugin.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Sep 2026
- **Updated:** 24 Sep 2026
- **Also known as:** GHSA-vg6c-rr97-8gp5

## What is CVE-2026-89004?

CVE-2026-89004 is a low-severity missing authorization vulnerability in Unknown WPeMatico RSS Feed Fetcher, published on 24 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The WPeMatico RSS Feed Fetcher WordPress plugin before 2.8.26 does not verify ownership or authorization before returning a campaign's stored configuration and run log, allowing users with contributor-level access and above to read the configuration and execution logs of campaigns created by other users, including administrators.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-89004?


## How do I fix CVE-2026-89004?

No fix has been published for CVE-2026-89004 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-89004 being exploited?

There is no known exploitation of CVE-2026-89004 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-89004 and fix it if it is affected.

What it is: CVE-2026-89004 is a low-severity missing authorization vulnerability in Unknown WPeMatico RSS Feed Fetcher, published on 24 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-89004 in the wild and no public exploit code.

Affected product: Unknown WPeMatico RSS Feed Fetcher. 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-2026-89004/ (Markdown: https://insights.sbomify.com/CVE-2026-89004/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-89004
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89004
- OSV: https://osv.dev/vulnerability/CVE-2026-89004

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-89004/
Summaries are generated and may contain mistakes; the official description above is the record.