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CVE-2026-3007

Stored Cross-Site Scripting (XSS) Vulnerability

Published: Apr 23, 2026Updated: Apr 23, 2026 Sources: CVE List
NVD MITRE
5.4CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None

Affected Products

Koollab Learning Management System
Three Learning

Exploitability

Official Patch Available

References

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

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