Security advisory

{
  "id": "123c8ea26701a1829c619627305ace6af87d1d3c66a0e5081f8713f103940128",
  "url": "https://osv.dev/vulnerability/CVE-2018-11565",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11565",
    "summary": "Mahara 17.04 before 17.04.8 and 17.10 before 17.10.5 and 18.04 before 18.04.1 are vulnerable to mentioning the usernames that are already taken by people registered in the system rather than masking that information.",
    "evidence": "osv:CVE-2018-11565",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-11565",
      "aliases": [
        "CVE-2018-11565"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/maharaproject/mahara",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c1b8e4e448228b12a674c205a7288389613271e7"
                },
                {
                  "fixed": "4731adeec17713177b730a94b9191c0725339da2"
                },
                {
                  "introduced": "7e3e132425fc023eb85e66717284540d80bdacd1"
                },
                {
                  "fixed": "101db724b6cdbbb6ab5c4f8dfe45274e0f437a21"
                },
                {
                  "introduced": "2a17a9a771a9016f78bcf62b9150ca6283dc449b"
                },
                {
                  "last_affected": "2a17a9a771a9016f78bcf62b9150ca6283dc449b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "17.04.0"
                      },
                      {
                        "fixed": "17.04.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "17.10.0"
                      },
                      {
                        "fixed": "17.10.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mahara:mahara:18.04.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "18.04.0"
                      },
                      {
                        "last_affected": "18.04.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "18.04.0",
            "17.10.4_RELEASE",
            "17.04.7_RELEASE",
            "18.04.0_RELEASE",
            "17.04.2_RELEASE",
            "17.10.3_RELEASE",
            "17.04.6_RELEASE",
            "17.10.2_RELEASE",
            "17.04.5_RELEASE",
            "17.10.1_RELEASE",
            "17.04.4_RELEASE",
            "17.10.0_RELEASE",
            "17.04.3_RELEASE",
            "17.04.1_RELEASE",
            "17.04.0_RELEASE"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11565.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:31.991835002Z",
      "provider": "osv",
      "references": [
        "https://mahara.org/interaction/forum/topic.php?id=8271",
        "https://bugs.launchpad.net/mahara/+bug/1772774"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11565",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432920,
  "published_at": "2018-05-30T21:29:00.69+00:00"
}