Security advisory

{
  "id": "adfc7e1d0d19f77219a1bcb0afed1ab4470f29d1536c72a9a53c6552457568cf",
  "url": "https://osv.dev/vulnerability/CVE-2021-22874",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-22874",
    "summary": "Revive Adserver before 5.1.1 is vulnerable to a reflected XSS vulnerability in userlog-index.php via the `period_preset` parameter.",
    "evidence": "osv:CVE-2021-22874",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-22874",
      "aliases": [
        "CVE-2021-22874"
      ],
      "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/revive-adserver/revive-adserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "61c795885da8e9d2d30d8361944a6e9e05e2162b"
                },
                {
                  "fixed": "e2a67ce8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e2a67ce8"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v5.1.0",
            "v5.1.0-rc1",
            "v5.0.5",
            "v5.0.4",
            "v5.0.3",
            "v5.0.1",
            "v5.0.0",
            "v5.0.0-rc1",
            "v4.2.1",
            "v4.2.0",
            "v4.2.0-rc1",
            "v4.1.4",
            "v4.1.3",
            "v4.1.2",
            "v4.1.0",
            "v4.1.0-rc1",
            "v4.0.2",
            "v4.0.1",
            "v4.0.0",
            "v4.0.0-rc1",
            "v3.2.1",
            "v3.2.1-rc1",
            "v3.2.0",
            "v3.2.0-beta",
            "v3.1.0",
            "v3.1.0-beta",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22874.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:31.075855239Z",
      "provider": "osv",
      "references": [
        "https://www.revive-adserver.com/security/revive-sa-2021-002/",
        "https://github.com/revive-adserver/revive-adserver/commit/e2a67ce8",
        "https://hackerone.com/reports/1083231"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-22874",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385475,
  "published_at": "2021-01-28T17:15:12.103+00:00"
}