Security advisory

{
  "id": "dfeadc7edf7c91c9b21d0ec993374b00a30e54d832f064b4afc6ab4f77c031db",
  "url": "https://osv.dev/vulnerability/CVE-2020-15156",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15156",
    "summary": "In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.",
    "evidence": "osv:CVE-2020-15156",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-15156",
      "aliases": [
        "CVE-2020-15156",
        "GHSA-43m5-c88r-cjvv"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/psychobunny/nodebb-plugin-blog-comments",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "cf43beedb05131937ef46f365ab0a0c6fa6ac618"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "cf43beedb05131937ef46f365ab0a0c6fa6ac618"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15156.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:44.627432862Z",
      "provider": "osv",
      "references": [
        "https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv",
        "https://www.npmjs.com/package/nodebb-plugin-blog-comments",
        "https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:nodebb:blog_comments:*:*:*:*:*:node.js:*:*"
            ],
            "vendor_product": "nodebb:blog_comments",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "0.7.0"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "0.7.0"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-15156",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380756,
  "published_at": "2020-08-26T19:15:14.377+00:00"
}