{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0688","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2026-01-07T19:31:01.518Z","datePublished":"2026-04-02T07:39:34.999Z","dateUpdated":"2026-04-08T16:32:45.483Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-04-08T16:32:45.483Z"},"affected":[{"vendor":"pfefferle","product":"Webmention","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.6.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"title":"Webmention <= 5.6.2 - Authenticated (Subscriber+) Server-Side Request Forgery","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/02c9beba-dfa5-4a30-8355-62ff9a2630f7?source=cve"},{"url":"https://github.com/pfefferle/wordpress-webmention/blob/057223cee18a9e93b017d0f21db6ea77a7686489/includes/class-tools.php#L81"},{"url":"https://plugins.trac.wordpress.org/browser/webmention/tags/5.6.2/includes/class-tools.php#L81"},{"url":"https://plugins.trac.wordpress.org/changeset/3494831/webmention"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-918 Server-Side Request Forgery (SSRF)","cweId":"CWE-918","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"credits":[{"lang":"en","type":"finder","value":"Duong Quang Hao"}],"timeline":[{"time":"2026-01-07T19:46:32.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-04-01T19:17:16.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T13:23:17.279236Z","id":"CVE-2026-0688","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-02T13:32:05.134Z"}}]}}