CVE-2026-39693 MEDIUM

CVE-2026-39693: WordPress FSM Custom Featured Image Caption plugin <= 1.25.1 - Cross Site Scripting (XSS) vulnerability

Vendor Fesomia

Product FSM Custom Featured Image Caption

Weakness CWE-79 · XSS

Published April 8, 2026

Last update April 29, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

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.

Key dates

Disclosure timeline

April 8, 2026 CVE published

April 29, 2026 Record updated