CVE-2025-31891: Gosign – Posts Slider Block

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Gosign Gosign – Posts Slider Block gosign-posts-slider-block allows Stored XSS.This issue affects Gosign – Posts Slider Block: from n/a through <= 1.1.0.

Affected products

• Gosign Gosign – Posts Slider Block: up to and including 1.1.0

Published 2025-04-01. Last modified 2026-06-17.