CVE-2026-39693

Published: Apr 8, 2026

Modified: Apr 29, 2026

PUBLISHED

CVSS v3.1

5.9

MEDIUM

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.

Vendor	Product	Versions
fesomia	FSM Custom Featured Image Caption	affected `0 - <= 1.25.1`

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

References

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

vdb-entry

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CVE-2026-39693

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References