CVE-2026-3007 | Three Learning Koollab Learning Management System 5.3.2. cross site scripting

VDB-359118 · CVE-2026-3007 · GCVE-0-2026-3007 THREE LEARNING KOOLLAB LEARNING MANAGEMENT SYSTEM 5.3.2. CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.4 $0-$5k 1.89+ Summaryinfo A vulnerability was found in Three Learning Koollab Learning Management System 5.3.2. and classified as problematic. Affected by this issue is some unknown functionality. The manipulation results in cross site scripting. This vulnerability was named CVE-2026-3007. The attack may be performed from remote. There is no available exploit. Detailsinfo A vulnerability classified as problematic has been found in Three Learning Koollab Learning Management System 5.3.2.. Affected is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes: 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. The weakness was presented by Justin Ng. The advisory is available at csa.gov.sg. This vulnerability is traded as CVE-2026-3007 since 02/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Learning Management Software Vendor Three Learning Name Koollab Learning Management System Version 5.3.2. CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.4 VulDB Meta Temp Score: 4.4 VulDB Base Score: 3.5 VulDB Temp Score: 3.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.4 CNA Vector (CSA): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 02/23/2026 CVE reserved 04/23/2026 +58 days Advisory disclosed 04/23/2026 +0 days VulDB entry created 04/23/2026 +0 days VulDB entry last update Sourcesinfo Advisory: csa.gov.sg Researcher: Justin Ng Status: Not defined CVE: CVE-2026-3007 (🔒) GCVE (CVE): GCVE-0-2026-3007 GCVE (VulDB): GCVE-100-359118 Entryinfo Created: 04/23/2026 07:21 Changes: 04/23/2026 07:21 (63) Complete: 🔍 Cache ID: 99:C1A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸