Skip to content
Heist/ feed
Back to feed
Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-24366

The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label 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)

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-24366
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:41 UTC · Revision 1

Source evidence

CVE-2021-24366

core-osv · Original source

Published 21 Jun 2021, 20:15 UTC

The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label 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)

osv:CVE-2021-24366
Complete source record
{
  "id": "12e81092a70313ea94222905b54ce51241baa15144b35bc78d194f1b00e00462",
  "url": "https://osv.dev/vulnerability/CVE-2021-24366",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-24366",
    "summary": "The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label 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-2021-24366",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-24366",
      "aliases": [
        "CVE-2021-24366"
      ],
      "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/codepress/admin-columns",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "23fc67a4aae9461c1945ef16f31708988deb6bf9"
                },
                {
                  "fixed": "b45571ed21d574d13687213a5002e0c68e4442c7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:admincolumns:admin_columns:*:*:*:*:free:wordpress:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b45571ed21d574d13687213a5002e0c68e4442c7"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.7",
            "4.2.6",
            "4.2.5",
            "4.2.4",
            "4.2.3",
            "4.2.2",
            "4.2.1",
            "4.2",
            "4.1.9",
            "4.1.8",
            "4.1.7",
            "4.1.6",
            "4.1.5",
            "4.1.4",
            "4.1.2",
            "4.1.1",
            "4.1.0",
            "4.0.3",
            "4.0.2",
            "4.0.1",
            "4.0",
            "3.4.8",
            "3.4.7",
            "3.4.6",
            "3.4.5",
            "3.4.4",
            "3.4.3",
            "3.4.2",
            "3.4.1",
            "3.4",
            "3.3.1",
            "3.3",
            "3.2.7",
            "3.2.6",
            "3.2.5",
            "3.2.4",
            "3.2.3",
            "3.2.2",
            "3.2.1",
            "3.2",
            "3.1.10",
            "3.1.9",
            "3.1.8",
            "3.1.7",
            "3.1.6",
            "3.1.5",
            "3.1.4",
            "3.1.3",
            "3.1.2",
            "3.1.1",
            "3.0.7",
            "3.0.6",
            "3.0.5",
            "3.0.1",
            "3.0",
            "2.5.6.3",
            "2.5.5",
            "2.5.3",
            "2.5.1",
            "2.5",
            "2.4.9",
            "2.4.8",
            "2.4.7",
            "2.4.2",
            "2.4.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-24366.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:33.012404339Z",
      "provider": "osv",
      "references": [
        "https://github.com/codepress/admin-columns/commit/b45571ed21d574d13687213a5002e0c68e4442c7",
        "https://wpscan.com/vulnerability/05427156-4d5c-4aeb-add8-1c574fda5c28",
        "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-24366"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:admincolumns:admin_columns:*:*:*:*:pro:wordpress:*:*"
            ],
            "vendor_product": "admincolumns:admin_columns",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "5.5.1"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-24366",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385553,
  "published_at": "2021-06-21T20:15:08.49+00:00"
}