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OpenAdvisories
Medium · 5.9 CVE-2026-39693 EUVD-2026-20389GHSA-48m9-5wrg-38p7

WordPress FSM Custom Featured Image Caption plugin <= 1.25.1 - Cross Site Scripting (XSS) vulnerability

Published Apr 8, 2026 · Updated Apr 29, 2026 · Assigned by Patchstack

Description

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

VendorProductAffectedFixed
fesomia FSM Custom Featured Image Caption ≤ 1.25.1 —

References