{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "1.0.0"
              },
              {
                "fixed": "1.7.0"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "Mattermost Confluence plugin version \u003c1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connection link that, when visited, renders the attacker's display name without proper sanitization. Mattermost Advisory ID: MMSA-2025-00557",
  "id": "CVE-2025-13523",
  "modified": "2026-03-10T21:50:40.617980550Z",
  "published": "2026-02-06T16:16:13.370Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}