{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.6.17"
              },
              {
                "introduced": "1.7.0"
              },
              {
                "fixed": "1.7.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5cdc6a48b40beabff7f0bf5d9035f4491e877e4c"
            },
            {
              "introduced": "df9effa186f81d676962b941da4ebab5e05c3088"
            },
            {
              "fixed": "a08bc8f59bbd28cd3d863479478127e35beb959d"
            }
          ],
          "repo": "https://github.com/roundcube/roundcubemail",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54433.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "1.6.0"
          },
          {
            "fixed": "1.6.17"
          },
          {
            "introduced": "1.7.0"
          },
          {
            "fixed": "1.7.2"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "1.6.0"
          },
          {
            "fixed": "1.6.17"
          },
          {
            "introduced": "1.7.0"
          },
          {
            "fixed": "1.7.2"
          }
        ],
        "source": "CPE_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "1.6.17"
          },
          {
            "introduced": "1.7.x"
          },
          {
            "fixed": "1.7.2"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).",
  "id": "CVE-2026-54433",
  "modified": "2026-07-19T03:31:15.983841171Z",
  "published": "2026-07-14T16:18:16.549Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54433.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54433"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}