Security advisory

{
  "id": "874ab71192ba421c986bd9f734a62444c285e61ad8b98c68b65fde2d80ac75ed",
  "url": "https://osv.dev/vulnerability/CVE-2021-43687",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-43687",
    "summary": "chamilo-lms v1.11.14 is affected by a Cross Site Scripting (XSS) vulnerability in /plugin/jcapture/applet.php if an attacker passes a message hex2bin in the cookie.",
    "evidence": "osv:CVE-2021-43687",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-43687",
      "aliases": [
        "CVE-2021-43687"
      ],
      "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"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chamilo:chamilo:1.11.14:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.11.14-NA"
                      },
                      {
                        "last_affected": "1.11.14-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.11.14-NA",
            "v1.11.14"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43687.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:02.795671678Z",
      "provider": "osv",
      "references": [
        "https://github.com/chamilo/chamilo-lms/tree/v1.11.14",
        "https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-92-2021-11-12-Low-impact-Low-risk-XSS-Vulnerability-in-jCapture-plugin-CVE-2021-43687",
        "https://github.com/chamilo/chamilo-lms/blob/v1.11.14/plugin/jcapture/applet.php"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-43687",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386770,
  "published_at": "2021-12-01T16:15:07.777+00:00"
}