Security advisory

{
  "id": "38656f3a0c5d525087ecff2f0787f2c2bfa11b7945dca63477b9becbe26f9636",
  "url": "https://osv.dev/vulnerability/CVE-2020-8034",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8034",
    "summary": "Gollem before 3.0.13, as used in Horde Groupware Webmail Edition 5.2.22 and other products, is affected by a reflected Cross-Site Scripting (XSS) vulnerability via the HTTP GET dir parameter in the browser functionality, affecting breadcrumb output. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.",
    "evidence": "osv:CVE-2020-8034",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-8034",
      "aliases": [
        "CVE-2020-8034"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/horde/groupware",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cf488bd4e87e1ff0d9e11a5a3c2d2f805172dd70"
                },
                {
                  "last_affected": "cf488bd4e87e1ff0d9e11a5a3c2d2f805172dd70"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:horde:groupware:5.2.22:*:*:*:webmail:*:*:*",
                    "range": [
                      {
                        "introduced": "5.2.22"
                      },
                      {
                        "last_affected": "5.2.22"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.2.22",
            "v5.2.22"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8034.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/horde/horde",
              "type": "GIT",
              "events": [
                {
                  "introduced": "da4d701808c3af4100bd1f2d7f0fd07854267fa9"
                },
                {
                  "last_affected": "da4d701808c3af4100bd1f2d7f0fd07854267fa9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:horde:groupware:5.2.22:*:*:*:webmail:*:*:*",
                    "range": [
                      {
                        "introduced": "5.2.22"
                      },
                      {
                        "last_affected": "5.2.22"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.2.22",
            "webmail-5.2.22"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8034.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:03.148326694Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2020/05/msg00033.html",
        "https://github.com/horde/gollem/blob/95b2a4212d734f1b27aaa7a221d2fa1370d2631f/docs/CHANGES",
        "https://lists.horde.org/archives/announce/2020/001289.html",
        "https://lists.horde.org/archives/gollem/Week-of-Mon-20200420/001990.html",
        "https://github.com/horde/gollem/commits/master"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:horde:gollem:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "horde:gollem",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "3.0.13"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:horde:groupware:5.2.22:*:*:*:webmail:*:*:*"
            ],
            "vendor_product": "horde:groupware",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.2.22"
                  },
                  {
                    "last_affected": "5.2.22"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-8034",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440196,
  "published_at": "2020-05-18T17:15:11.053+00:00"
}