Security advisory

{
  "id": "dee93af8c511168338c518b8f53d77e8d9d61028c6665dd9c1f3ad9ff88c4422",
  "url": "https://osv.dev/vulnerability/CVE-2020-13870",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13870",
    "summary": "An issue was discovered in the Comments plugin before 1.5.5 for Craft CMS. There is stored XSS via an asset volume name.",
    "evidence": "osv:CVE-2020-13870",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-13870",
      "aliases": [
        "CVE-2020-13870",
        "GHSA-69ww-wv3j-mhg4"
      ],
      "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/verbb/comments",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a74afb46d220ef383f7e470e8542520e3a4be5c5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:verbb:comments:*:*:*:*:*:craft_cms:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.5.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.4",
            "1.5.3",
            "1.5.2",
            "1.5.1",
            "1.5.0",
            "1.4.1.1",
            "1.4.1",
            "1.4.0",
            "1.3.12",
            "1.3.11",
            "1.3.10",
            "1.3.9",
            "1.3.8",
            "1.3.7",
            "1.3.6",
            "1.3.5",
            "1.3.4",
            "1.3.3",
            "1.3.2",
            "1.2.3",
            "1.3.1",
            "1.3.0",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.9",
            "1.1.8",
            "1.1.7.1",
            "1.1.7",
            "1.1.6",
            "1.1.5",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.7.1",
            "1.0.7",
            "1.0.6.3",
            "1.0.6.2",
            "1.0.6.1",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "0.4.9",
            "0.4.8",
            "0.4.7",
            "0.4.6",
            "0.4.5",
            "0.4.4",
            "0.4.3",
            "0.4.2",
            "0.4.1",
            "0.4.0",
            "0.3.8",
            "0.3.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13870.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:48.826433108Z",
      "provider": "osv",
      "references": [
        "https://github.com/verbb/comments/blob/craft-3/CHANGELOG.md#155---2020-05-28-critical"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13870",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382986,
  "published_at": "2020-06-05T19:15:13.517+00:00"
}