What’s Vulnerable › Vulnerabilities
CVE-2026-14547: Estatik Real Estate Plugin < 4.3.3 - Unauthenticated Arbitrary-Recipient Mail Relay via Request Form
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-06 · updated 2026-08-26
- Weakness: CWE-287
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.
Affected products
- Estatik Real Estate Plugin: before 4.3.3 — fixed in 4.3.3
How to fix
Upgrade to a fixed version: Estatik Real Estate Plugin 4.3.3. Check the vendor advisory for mitigations.
References
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