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Medium 5.4Published Apr 22, 2026
CVE-2026-3007Stored Cross-Site Scripting (XSS) Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Three Learning Koollab Learning Management System. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CSA
- NVD analysis
- Deferred
- Record last updated
- May 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.