# CVE-2026-14547: Estatik Real Estate Plugin < 4.3.3 - Unauthenticated Arbitrary-Recipient Mail Relay via Request Form

> Unauthenticated attackers can use the Estatik Real Estate Plugin to send arbitrary emails to any recipient, enabling spam and phishing campaigns.

- **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:** 6 Aug 2026
- **Updated:** 6 Aug 2026
- **Also known as:** GHSA-jq55-hqc7-pmch

## What is CVE-2026-14547?

CVE-2026-14547 is a medium-severity vulnerability in Unknown Estatik Real Estate Plugin, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Estatik Real Estate Plugin WordPress plugin before 4.3.3 does not properly enforce its anti-spam check or restrict the recipient routing of its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary subject, body and Reply-To, effectively using the site as a mail relay for spam or phishing.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-14547?


## How do I fix CVE-2026-14547?

No fix has been published for CVE-2026-14547 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-14547 being exploited?

There is no known exploitation of CVE-2026-14547 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-14547 and fix it if it is affected.

What it is: CVE-2026-14547 is a medium-severity vulnerability in Unknown Estatik Real Estate Plugin, published on 6 Aug 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-2026-14547 in the wild and no public exploit code.

Affected product: Unknown Estatik Real Estate Plugin. 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-2026-14547/ (Markdown: https://insights.sbomify.com/CVE-2026-14547/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-14547
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-14547
- OSV: https://osv.dev/vulnerability/CVE-2026-14547

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-14547/
Summaries are generated and may contain mistakes; the official description above is the record.