{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "4.14.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "2192af80f405c70e3021191ff8b3f7e539c35e9d"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "original_tag": "v4.14.0",
                "range": [
                  {
                    "fixed": "81cb75b62feaaea25d8d4baaf099c46a8eb65c15"
                  }
                ],
                "source": "REFERENCES_TAG"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "81cb75b62feaaea25d8d4baaf099c46a8eb65c15"
            },
            {
              "fixed": "2192af80f405c70e3021191ff8b3f7e539c35e9d"
            }
          ],
          "repo": "https://github.com/chatwoot/chatwoot",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113355.json"
  },
  "details": "Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.",
  "id": "CVE-2026-113355",
  "modified": "2026-10-21T02:31:05.461432481Z",
  "published": "2026-10-20T10:41:40.212Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113355.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chatwoot/chatwoot"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/chatwoot/chatwoot/pull/14140"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113355"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-embed-links"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links"
}