Kanban Boards for WordPress < 2.5.21 - Admin+ Stored XSS

{
  "id": "efa69e2890900e9d29430d4c46bd4977098b0b81cc9f821443604c069a0a487a",
  "url": "https://osv.dev/vulnerability/CVE-2023-0873",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Kanban Boards for WordPress < 2.5.21 - Admin+ Stored XSS",
    "summary": "The Kanban Boards for WordPress plugin before 2.5.21 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)",
    "evidence": "osv:CVE-2023-0873",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-0873",
      "aliases": [
        "CVE-2023-0873"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kanbanwp/kanban",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "33afed199ac0c8408904060348259eb8723d8178"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:kanbanwp:kanban_boards_for_wordpress:*:*:*:*:*:wordpress:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.5.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.5.20",
            "2.5.19",
            "2.5.15",
            "2.5.12",
            "2.5.11",
            "2.5.10",
            "2.5.9",
            "2.5.8",
            "2.5.7",
            "2.5.6",
            "2.5.5",
            "2.5.4",
            "2.5.3",
            "2.5.2",
            "2.5.0",
            "2.4.10",
            "2.4.9",
            "2.4.8",
            "2.4.7",
            "2.4.6",
            "2.4.5",
            "2.4.4",
            "2.4.3",
            "2.4.2",
            "2.4.1",
            "2.4.0",
            "2.3.11",
            "2.3.10",
            "2.3.9",
            "2.3.8",
            "2.3.7",
            "2.3.6",
            "2.3.5",
            "2.3.4",
            "2.3.3",
            "2.3.2",
            "2.3.1",
            "2.3.0",
            "2.2.8",
            "2.2.7",
            "2.2.6",
            "2.2.5",
            "2.2.4",
            "2.2.3",
            "2.2.2",
            "2.2.1",
            "2.2.0",
            "2.1.10",
            "2.1.9",
            "2.1.8",
            "2.1.7",
            "2.1.6",
            "2.1.5",
            "2.1.4",
            "2.1.3",
            "2.1.2",
            "2.1.1",
            "2.1.0",
            "2.0.11",
            "2.0.10",
            "2.0.9",
            "2.0.8",
            "2.0.7",
            "2.0.6",
            "2.0.5",
            "2.0.4",
            "2.0.3",
            "2.0.2",
            "2.0.1",
            "2.0",
            "1.2.18",
            "1.2.17",
            "1.2.16",
            "1.2.15",
            "1.2.14",
            "1.2.13",
            "1.2.12",
            "1.2.11",
            "1.2.10",
            "1.2.9",
            "1.2.8",
            "1.2.7",
            "1.2.6",
            "1.2.5",
            "1.2.4",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0873.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.442193248Z",
      "provider": "osv",
      "references": [
        "https://wordpress.org/plugins",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0873.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-0873",
        "https://wpscan.com/vulnerability/8816d4c1-9e8e-4b6f-a36a-10a98a7ccfcd"
      ],
      "provider_metadata": {
        "cna_assigner": "WPScan",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2.5.21"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0873.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-0873",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 510182,
  "published_at": "2023-06-27T13:17:15.735+00:00"
}