Security advisory

{
  "id": "276b2cbcde5a928b6973b2382cf1113e1e76b8099426c74440c2443f380fe5df",
  "url": "https://osv.dev/vulnerability/CVE-2021-43690",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-43690",
    "summary": "YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.",
    "evidence": "osv:CVE-2021-43690",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-43690",
      "aliases": [
        "CVE-2021-43690"
      ],
      "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/yurunsoft/yurunproxy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4d6362803e2ee01fa24f4b4ba1060d12f31a958d"
                },
                {
                  "last_affected": "4d6362803e2ee01fa24f4b4ba1060d12f31a958d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:yurunproxy_project:yurunproxy:0.01:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.01"
                      },
                      {
                        "last_affected": "0.01"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.01",
            "v0.01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43690.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:03.438323194Z",
      "provider": "osv",
      "references": [
        "https://github.com/Yurunsoft/YurunProxy/issues/3"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-43690",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386801,
  "published_at": "2021-12-01T13:15:07.543+00:00"
}