Security advisory

{
  "id": "86b4cae1b8475a68313149b5484163ae8ce2b90ca758ef7379aa89e245d13ca9",
  "url": "https://osv.dev/vulnerability/CVE-2021-26746",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-26746",
    "summary": "Chamilo 1.11.14 allows XSS via a main/calendar/agenda_list.php?type= URI.",
    "evidence": "osv:CVE-2021-26746",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-26746",
      "aliases": [
        "CVE-2021-26746"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chamilo/chamilo-lms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "25d89346c1b5f73b6b8d969971b4e402dd89d7e5"
                },
                {
                  "last_affected": "25d89346c1b5f73b6b8d969971b4e402dd89d7e5"
                },
                {
                  "fixed": "d939402d83bf68af5377b629883d8e5437d843ec"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chamilo:chamilo:1.11.14:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.11.14"
                      },
                      {
                        "last_affected": "1.11.14"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d939402d83bf68af5377b629883d8e5437d843ec"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.11.14",
            "v1.11.14"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26746.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:34.461048616Z",
      "provider": "osv",
      "references": [
        "https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agenda",
        "https://www.netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/",
        "https://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ec"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-26746",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385623,
  "published_at": "2021-02-19T05:15:19.257+00:00"
}