CVE-2018-15583: Sir Gnuboard

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-Site Scripting (XSS) vulnerability in point_list.php in GNUBOARD5 before 5.3.1.6 allows remote attackers to inject arbitrary web script or HTML via the popup title parameter.

Affected products

• Sir Gnuboard: before 5.3.1.6 (fixed in 5.3.1.6)

Published 2019-03-25. Last modified 2026-06-17.