Security advisory

{
  "id": "93b9ab77ce5c6748d47a1e564488315eb65c28c326686937edea29acd070547f",
  "url": "https://osv.dev/vulnerability/CVE-2021-20681",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-20681",
    "summary": "Improper neutralization of JavaScript input in the page editing function of baserCMS versions prior to 4.4.5 allows remote authenticated attackers to inject an arbitrary script via unspecified vectors.",
    "evidence": "osv:CVE-2021-20681",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-20681",
      "aliases": [
        "CVE-2021-20681",
        "GHSA-24p5-x9f9-vvpx"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/baserproject/basercms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ac7824e7c617f54f12686cef01a2e30e5b07dd83"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.4.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.4.4",
            "4.4.3",
            "4.4.1.1",
            "4.4.2.1",
            "4.4.0",
            "4.3.7.1",
            "4.3.7",
            "4.3.6",
            "4.3.5",
            "4.3.3",
            "4.3.0",
            "4.2.4",
            "4.2.2",
            "4.1.2",
            "4.1.1",
            "4.1.0.1",
            "4.1.0",
            "4.0.7",
            "4.0.6",
            "4.0.0",
            "3.0.7",
            "3.0.0",
            "basercms-3.0.1",
            "3.0.1",
            "3.0.2",
            "3.0.4",
            "3.0.5.1",
            "3.0.3",
            "4.0.0-beta",
            "3.0.6",
            "3.0.6-beta",
            "3.0.5",
            "basercms-3.0.0",
            "basercms-2.1.2",
            "2.1.2",
            "basercms-2.1.0",
            "2.1.0",
            "basercms-2.0.3",
            "2.0.3",
            "basercms-2.0.2",
            "2.0.2",
            "basercms-2.0.1",
            "2.0.1",
            "basercms-2.0.0",
            "2.0.0",
            "basercms-2.0.0-beta",
            "2.0.0-beta"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20681.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:29.869538737Z",
      "provider": "osv",
      "references": [
        "https://jvn.jp/en/jp/JVN64869876/index.html",
        "https://basercms.net/security/JVN64869876"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-20681",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432437,
  "published_at": "2021-03-26T09:15:12.043+00:00"
}