{"id":"CVE-2026-46698","state":"PUBLISHED","title":"Fediverse Embeds: Public-nonce SSRF via ftf_get_site_info AJAX action","description":"Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.9, Fediverse Embeds registered the unauthenticated AJAX action wp_ajax_nopriv_ftf_get_site_info (includes/Site_Info.php) that verified a nonce ftf-fediverse-embeds-nonce and then called file_get_html($site_url) on the attacker-supplied URL. The same nonce was enqueued onto every public page containing a fediverse embed (via includes/Enqueue_Assets.php lines 41-46 + includes/Helpers.php lines 64-83), so the nonce gate was not an authentication boundary; any visitor of a public post with an embed could grab it and reuse it. This issue has been patched in version 1.5.9.","publishedAt":"2026-06-11T17:15:52.767Z","updatedAt":"2026-06-11T18:54:33.223Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["stefanbohacek fediverse-embeds-wordpress-plugin"],"affected":[{"vendor":"stefanbohacek","product":"fediverse-embeds-wordpress-plugin","versions":[{"version":"< 1.5.9","status":"affected"}]}],"references":["https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/security/advisories/GHSA-cr42-rgq6-whjh","https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/commit/93821405790ccc7a80528e91b34b624606b54969"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46698.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46698","state":"PUBLISHED","datePublished":"2026-06-11T17:15:52.767Z","dateUpdated":"2026-06-11T18:54:33.223Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-15T23:26:58.308Z"},"containers":{"cna":{"title":"Fediverse Embeds: Public-nonce SSRF via ftf_get_site_info AJAX action","descriptions":[{"lang":"en","value":"Fediverse Embeds embeds fediverse posts on WordPress sites. Prior to version 1.5.9, Fediverse Embeds registered the unauthenticated AJAX action wp_ajax_nopriv_ftf_get_site_info (includes/Site_Info.php) that verified a nonce ftf-fediverse-embeds-nonce and then called file_get_html($site_url) on the attacker-supplied URL. The same nonce was enqueued onto every public page containing a fediverse embed (via includes/Enqueue_Assets.php lines 41-46 + includes/Helpers.php lines 64-83), so the nonce gate was not an authentication boundary; any visitor of a public post with an embed could grab it and reuse it. This issue has been patched in version 1.5.9."}],"affected":[{"vendor":"stefanbohacek","product":"fediverse-embeds-wordpress-plugin","versions":[{"version":"< 1.5.9","status":"affected"}]}],"references":[{"url":"https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/security/advisories/GHSA-cr42-rgq6-whjh","name":"https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/security/advisories/GHSA-cr42-rgq6-whjh","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/commit/93821405790ccc7a80528e91b34b624606b54969","name":"https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/commit/93821405790ccc7a80528e91b34b624606b54969","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-11T17:15:52.767Z"},"source":{"advisory":"GHSA-cr42-rgq6-whjh","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/stefanbohacek/fediverse-embeds-wordpress-plugin/security/advisories/GHSA-cr42-rgq6-whjh","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-11T18:53:38.305272Z","id":"CVE-2026-46698","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-11T18:54:33.223Z"}}]}}}