Vulnerability-Lookup

CVE-2026-3007 (GCVE-0-2026-3007)

Vulnerability from cvelistv5 – Published: 2026-04-23 02:54 – Updated: 2026-05-10 19:57

Title

Stored Cross-Site Scripting (XSS) Vulnerability

Summary

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.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-23 14:41 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

CSA CNA under the mitre root

CNA scorecard C 62/100 over 57 records in the last 180 days details

References

1 reference

URL	Tags
https://www.csa.gov.sg/alerts-and-advisories/aler…

Impacted products

1 product

Vendor	Product	Version	CPE status
Three Learning	Koollab Learning Management System	Affected: 5.3.2.	guessed

Date Public

2026-04-23 02:50

Credits

Justin Ng

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3007",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-23T14:41:20.084000Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-79",
                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-10T19:57:33.339Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Koollab Learning Management System",
          "vendor": "Three Learning",
          "versions": [
            {
              "status": "affected",
              "version": "5.3.2."
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Justin Ng"
        }
      ],
      "datePublic": "2026-04-23T02:50:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eSuccessful 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\u2019 courselet feature.\u003c/p\u003e"
            }
          ],
          "value": "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\u2019 courselet feature."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-23T02:54:25.444Z",
        "orgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "shortName": "CSA"
      },
      "references": [
        {
          "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Users and administrators of the affected product version are advised to update to the latest version 5.4.0 immediately."
            }
          ],
          "value": "Users and administrators of the affected product version are advised to update to the latest version 5.4.0 immediately."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Stored Cross-Site Scripting (XSS) Vulnerability",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
    "assignerShortName": "CSA",
    "cveId": "CVE-2026-3007",
    "datePublished": "2026-04-23T02:54:25.444Z",
    "dateReserved": "2026-02-23T05:15:43.206Z",
    "dateUpdated": "2026-05-10T19:57:33.339Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-3007",
      "date": "2026-10-22",
      "epss": "0.00226",
      "percentile": "0.12565"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Koollab Learning Management System",
                "vendor": "Three Learning",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.3.2."
                  }
                ]
              }
            ],
            "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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\u2019 courselet feature."
          }
        ],
        "id": "CVE-2026-3007",
        "lastModified": "2026-06-17T10:42:52.297",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.3,
              "impactScore": 2.7,
              "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-3007",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-23T14:41:20.084000Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-04-23T04:16:07.980",
        "references": [
          {
            "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
            "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/"
          }
        ],
        "sourceIdentifier": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-05-10T20:20:41+00:00",
      "cve": "CVE-2026-3007",
      "id": "CVE-2026-3007",
      "initial_release_date": "2026-04-23T02:50:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Stored Cross-Site Scripting (XSS) Vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3007.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-3007",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-23T14:41:20.084000Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-79",
                    "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-23T14:41:27.649Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Koollab Learning Management System",
              "vendor": "Three Learning",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.3.2."
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Justin Ng"
            }
          ],
          "datePublic": "2026-04-23T02:50:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003eSuccessful 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\u2019 courselet feature.\u003c/p\u003e"
                }
              ],
              "value": "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\u2019 courselet feature."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-23T02:54:25.444Z",
            "orgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
            "shortName": "CSA"
          },
          "references": [
            {
              "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Users and administrators of the affected product version are advised to update to the latest version 5.4.0 immediately."
                }
              ],
              "value": "Users and administrators of the affected product version are advised to update to the latest version 5.4.0 immediately."
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Stored Cross-Site Scripting (XSS) Vulnerability",
          "x_generator": {
            "engine": "Vulnogram 1.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "assignerShortName": "CSA",
        "cveId": "CVE-2026-3007",
        "datePublished": "2026-04-23T02:54:25.444Z",
        "dateReserved": "2026-02-23T05:15:43.206Z",
        "dateUpdated": "2026-05-10T19:57:33.339Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-3007

Vulnerability from fkie_nvd - Published: 2026-04-23 04:16 - Updated: 2026-06-17 10:42

Severity

5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

References

	URL	Tags
	5f57b9bf-260d-4433-bf07-b6a79e9bb7d4	https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Koollab Learning Management System",
          "vendor": "Three Learning",
          "versions": [
            {
              "status": "affected",
              "version": "5.3.2."
            }
          ]
        }
      ],
      "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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\u2019 courselet feature."
    }
  ],
  "id": "CVE-2026-3007",
  "lastModified": "2026-06-17T10:42:52.297",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3007",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-23T14:41:20.084000Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-23T04:16:07.980",
  "references": [
    {
      "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
      "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/"
    }
  ],
  "sourceIdentifier": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-P88X-88CF-MV94

Vulnerability from github – Published: 2026-04-23 06:30 – Updated: 2026-05-10 21:30

Details

Severity

5.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-3007"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-23T04:16:07Z",
    "severity": "MODERATE"
  },
  "details": "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\u2019 courselet feature.",
  "id": "GHSA-p88x-88cf-mv94",
  "modified": "2026-05-10T21:30:22Z",
  "published": "2026-04-23T06:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3007"
    },
    {
      "type": "WEB",
      "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-3007 (GCVE-0-2026-3007)

FKIE_CVE-2026-3007

GHSA-P88X-88CF-MV94

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour