{"id":"CVE-2026-0688","summary":"Webmention \u003c= 5.6.2 - Authenticated (Subscriber+) Server-Side Request Forgery","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.","modified":"2026-07-15T01:49:11.130624347Z","published":"2026-04-02T07:39:34.999Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0688.json","cna_assigner":"Wordfence","cwe_ids":["CWE-918"]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pfefferle/wordpress-webmention","events":[{"introduced":"0"},{"last_affected":"06f60c4f66c225abaec9d32dd9ac00eb32c05515"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"5.6.2"}]}}],"versions":["5.6.2","5.6.1","5.6.0","5.5.0","5.4.1","5.4.0","5.3.3","5.3.2","5.3.1","5.3.0","5.2.6","5.2.5","5.2.4","5.2.3","5.2.2","5.2.1","5.2.0","5.1.9","5.1.8","5.1.7","5.1.6","5.1.5","5.1.4","5.1.3","5.1.2","5.1.1","5.1.0","5.0.0","4.0.3","4.0.2","4.0.1","4.0.0","3.8.11","3.8.10","3.8.9","3.8.8","3.8.7","3.8.6","3.8.5","3.8.4","3.8.2","3.8.1","3.8.0","3.7.0","3.6.0","3.5.0","3.4.1","3.4.0","3.3.0","3.2.1","3.1.1","3.1.0","3.0.1","3.0.0","3.0.0-beta1","2.6.0","2.5.0","2.4.0","mf2-version"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0688.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}]}