{"id":"CVE-2025-4279","state":"PUBLISHED","title":"External image replace <= 1.0.8 - Authenticated (Contributor+) Arbitrary File Upload","description":"The External image replace plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'external_image_replace_get_posts::replace_post' function in all versions up to, and including, 1.0.8. This makes it possible for authenticated attackers, with contributor-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible.","publishedAt":"2025-05-05T18:22:39.421Z","updatedAt":"2026-04-08T17:31:44.393Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["muromuro External image replace"],"affected":[{"vendor":"muromuro","product":"External image replace","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0.8","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/ee1624fd-d98b-4953-99dc-a952dda48aa1?source=cve","https://plugins.trac.wordpress.org/browser/external-image-replace/tags/1.0.8/class.php#L87"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/4xxx/CVE-2025-4279.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-4279","state":"PUBLISHED","datePublished":"2025-05-05T18:22:39.421Z","dateUpdated":"2026-04-08T17:31:44.393Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2025-05-05T05:52:22.721Z"},"containers":{"cna":{"title":"External image replace <= 1.0.8 - Authenticated (Contributor+) Arbitrary File Upload","descriptions":[{"lang":"en","value":"The External image replace plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'external_image_replace_get_posts::replace_post' function in all versions up to, and including, 1.0.8. This makes it possible for authenticated attackers, with contributor-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible."}],"affected":[{"vendor":"muromuro","product":"External image replace","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.0.8","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ee1624fd-d98b-4953-99dc-a952dda48aa1?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/external-image-replace/tags/1.0.8/class.php#L87"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:31:44.393Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2025-05-05T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2025-05-05T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-05T18:35:08.946860Z","id":"CVE-2025-4279","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-05T18:35:26.672Z"}}]}}}