CVE-2026-39693: Fesomia Fsm Custom Featured Image Caption

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fesomia FSM Custom Featured Image Caption fsm-custom-featured-image-caption allows DOM-Based XSS.This issue affects FSM Custom Featured Image Caption: from n/a through <= 1.25.1.

Affected products

• Fesomia Fsm Custom Featured Image Caption: up to and including 1.25.1

Published 2026-04-08. Last modified 2026-07-24.