What is CVE-2026-13407?

CVE-2026-13407 is a medium-severity vulnerability in Royal Addons For Elementor, classified under Improper Encoding or Escaping of Output. CVSS score: 5.4/10. Published 2026-09-16.

How severe is CVE-2026-13407?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Royal Addons For Elementor

CVE-2026-13407

The Royal Elementor Addons WordPress plugin before 1.7.1067 does not properly sanitize and escape values submitted through its form widget before including them in the body of administrator notification emails, allowing unauthenticated attackers to inject arbitrary HTML into emails sent to the site administrator on form submission.

Published 2026-09-16 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.4th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Royal Addons For Elementor

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

wpscan.com/vulnerability/b6bb29de-7d61-4a83-9ee1-0915ad2bda34/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-13407?: CVE-2026-13407 is a medium-severity vulnerability in Royal Addons For Elementor, classified under Improper Encoding or Escaping of Output. CVSS score: 5.4/10. Published 2026-09-16.
How severe is CVE-2026-13407?: Medium severity. CVSS v3 base score is 5.4 out of 10.