CVE-2023-5119: Forminator and Forminator Pro < 1.27.0 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-20 · updated 2026-06-17
Weakness: CWE-79

Description

The Forminator WordPress plugin before 1.27.0 does not properly sanitize the redirect-url field in the form submission settings, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).

Affected products

WPMU DEV Forminator: before 1.27.0 — fixed in 1.27.0

How to fix

Upgrade to a fixed version: WPMU DEV Forminator 1.27.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/229207bb-8f8d-4579-a8e2-54516474ccb4
https://wpscan.com/vulnerability/229207bb-8f8d-4579-a8e2-54516474ccb4

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