What is CVE-2026-12536?

CVE-2026-12536 is a medium-severity vulnerability in Themefusion Avada (Fusion) Builder, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-13.

How severe is CVE-2026-12536?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Themefusion Avada (Fusion) Builder

CVE-2026-12536

The Avada (Fusion) Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Module Title’ parameter in all versions up to, and including, 3.15.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Themefusion Avada (Fusion) Builder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-12536?: CVE-2026-12536 is a medium-severity vulnerability in Themefusion Avada (Fusion) Builder, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-13.
How severe is CVE-2026-12536?: Medium severity. CVSS v3 base score is 6.4 out of 10.