Security advisory

{
  "id": "de46ae033d371bedcf70c77ff1fb3bed7f70973be9a7cccf78dbfcf7ac19ac68",
  "url": "https://osv.dev/vulnerability/CVE-2018-20328",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20328",
    "summary": "Chamilo LMS version 1.11.8 contains XSS in main/social/group_view.php in the social groups tool, allowing authenticated users to affect other users, under specific conditions of permissions granted by administrators. This is considered \"low risk\" due to the nature of the feature it exploits.",
    "evidence": "osv:CVE-2018-20328",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20328",
      "aliases": [
        "CVE-2018-20328"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chamilo/chamilo-lms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6de5de7f0e6bec7b7699077c4fdef436c0ff4d25"
                },
                {
                  "last_affected": "6de5de7f0e6bec7b7699077c4fdef436c0ff4d25"
                },
                {
                  "fixed": "5e61c2b0fcc938ca687b8d4e593b1500aa52a034"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chamilo:chamilo_lms:1.11.8:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.11.8"
                      },
                      {
                        "last_affected": "1.11.8"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "5e61c2b0fcc938ca687b8d4e593b1500aa52a034"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.11.8",
            "v1.11.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20328.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:07.735949580Z",
      "provider": "osv",
      "references": [
        "https://github.com/chamilo/chamilo-lms/commit/5e61c2b0fcc938ca687b8d4e593b1500aa52a034",
        "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-32-2018-11-28-Low-risk-More-XSS-and-path-disclosure-issues"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20328",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380066,
  "published_at": "2018-12-21T06:29:00.533+00:00"
}