CVE-2026-3007

MEDIUM

Three Learning Koollab Learning Management System < 5.3.2. - XSS

Title source: rule

Description

Successful exploitation of the stored cross-site scripting (XSS) vulnerability could allow an attacker to execute arbitrary JavaScript on any user account that has access to Koollab LMS’ courselet feature.

References (1)

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/

Scores

CVSS v3 5.4

EPSS 0.0003

EPSS Percentile 7.7%

Attack Vector NETWORK

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

Details

Status published

Products (1)

Three Learning/Koollab Learning Management System 5.3.2.

Published Apr 23, 2026

Tracked Since Apr 23, 2026