CVE-2026-39693 PUBLISHED

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

Assigner: Patchstack
Reserved: 07.04.2026 Published: 08.04.2026 Updated: 08.04.2026

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.

Product Status

Vendor fesomia
Product FSM Custom Featured Image Caption
Versions Default: unaffected
  • affected from 0 to 1.25.1 (incl.)

Credits

  • Nabil Irawan | Patchstack Bug Bounty Program finder

References

Problem Types

  • Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE

Impacts

  • DOM-Based XSS