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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-29450

Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-29450
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 08:55 UTC · Revision 1

Source evidence

CVE-2021-29450

core-osv · Original source

Published 15 Apr 2021, 22:15 UTC

Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.

osv:CVE-2021-29450
Complete source record
{
  "id": "004d5191f96fb04eee4382a26950306fec32201d4b6f54c9c5d0f8e8ff846e66",
  "url": "https://osv.dev/vulnerability/CVE-2021-29450",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-29450",
    "summary": "Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.",
    "evidence": "osv:CVE-2021-29450",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-29450",
      "aliases": [
        "BIT-wordpress-2021-29450",
        "BIT-wordpress-multisite-2021-29450",
        "CVE-2021-29450",
        "GHSA-pmmh-2f36-wvhq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wordpress/wordpress",
              "type": "GIT",
              "events": [
                {
                  "introduced": "14247ee4302378d292863865c643abe99bbfe3c7"
                },
                {
                  "fixed": "5e3f55fde8ff1adc4a750b0ed7b20c50068230c0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.7"
                      },
                      {
                        "fixed": "5.7.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29450.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/wordpress/wordpress-develop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "efa83f48bd4ebd066e5efc94b9feefe50e7925a2"
                },
                {
                  "fixed": "b36d4f9b075a8afe25e36bc9745aad92fe0203ac"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.7"
                      },
                      {
                        "fixed": "5.7.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29450.json"
          }
        }
      ],
      "modified": "2026-10-24T10:50:41.372191831Z",
      "provider": "osv",
      "references": [
        "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pmmh-2f36-wvhq",
        "https://lists.debian.org/debian-lts-announce/2021/04/msg00017.html",
        "https://wordpress.org/news/category/security/",
        "https://www.debian.org/security/2021/dsa-4896"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-29450",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442466,
  "published_at": "2021-04-15T22:15:12.343+00:00"
}