CVE-2026-3007

MEDIUM

Koollab Learning Management System >=5.3.2 <5.3.2 - Stored Cross-Site Scripting in Courselet Feature

Title source: llm

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)

Core 1

Core References

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

Scores

CVSS v3 5.4

EPSS 0.0017

EPSS Percentile 6.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

Three Learning/Koollab Learning Management System 5.3.2.

Published Apr 23, 2026

Tracked Since Apr 23, 2026