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OpenAdvisories
Medium · 4.8 CVE-2026-81571 EUVD-2026-70044GHSA-mhhc-49mj-h4mm

Brave Popup Builder < 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via UTM Parameter

Published Sep 2, 2026 · Updated Sep 2, 2026 · Assigned by WPScan

Description

The Brave WordPress plugin before 0.8.8 does not prevent a URL parameter used to pre-fill a form field from being passed to WordPress's shortcode engine, allowing unauthenticated attackers to have arbitrary shortcodes registered on the site executed server-side.

Affected products

VendorProductAffectedFixed
— Brave < 0.8.8 0.8.8

References