{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "5.6.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "06f60c4f66c225abaec9d32dd9ac00eb32c05515"
            }
          ],
          "repo": "https://github.com/pfefferle/wordpress-webmention",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Wordfence",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0688.json"
  },
  "details": "The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 via the 'Tools::read' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.",
  "id": "CVE-2026-0688",
  "modified": "2026-07-15T01:49:11.130624347Z",
  "published": "2026-04-02T07:39:34.999Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pfefferle/wordpress-webmention/blob/057223cee18a9e93b017d0f21db6ea77a7686489/includes/class-tools.php#L81"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/class-tools.php#L81"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3494831/webmention"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/02c9beba-dfa5-4a30-8355-62ff9a2630f7?source=cve"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0688.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0688"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Webmention \u003c= 5.6.2 - Authenticated (Subscriber+) Server-Side Request Forgery"
}