CVE-2026-39693

MEDIUM

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

Title source: cna

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.

References (1)

Core 1

Core References

Vdb Entry vdb-entry

https://patchstack.com/database/Wordpress/Plugin/fsm-custom-featured-image-caption/vulnerability/wordpress-fsm-custom-featured-image-caption-plugin-1-25-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Scores

CVSS v3 5.9

EPSS 0.0014

EPSS Percentile 3.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

fesomia/FSM Custom Featured Image Caption < 1.25.1

Published Apr 08, 2026

Tracked Since Apr 08, 2026