Security advisory

{
  "id": "acb69431ebeddc9d57390dc1f0321e072c5c4e5a95eb76671c698bc4080466be",
  "url": "https://osv.dev/vulnerability/CVE-2021-26925",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-26925",
    "summary": "Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.",
    "evidence": "osv:CVE-2021-26925",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-26925",
      "aliases": [
        "BIT-roundcube-2021-26925",
        "CVE-2021-26925"
      ],
      "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/roundcube/roundcubemail",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "34c42f06e1a8b25c022f49ab59f5f26c21c9ec42"
                },
                {
                  "fixed": "9dc276d5f26042db02754fa1bac6fbd683c6d596"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.4.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "9dc276d5f26042db02754fa1bac6fbd683c6d596"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.4.10",
            "1.4.9",
            "1.4.8",
            "1.4.7",
            "1.4.6",
            "1.4.5",
            "1.4.4",
            "1.4.3",
            "1.4.2",
            "1.4.1",
            "1.4.0",
            "1.4-rc2",
            "1.4-rc1",
            "1.4-beta",
            "1.3-beta",
            "1.2-rc",
            "1.2-beta",
            "1.1.0",
            "1.1-rc",
            "1.1-beta",
            "v0.1-beta2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26925.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:34.872579057Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/",
        "https://roundcube.net/news/2021/02/08/security-update-1.4.11",
        "https://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-26925",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385649,
  "published_at": "2021-02-09T09:15:13.617+00:00"
}