{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-4386","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2023-08-16T16:39:20.561Z","datePublished":"2023-10-20T07:29:27.908Z","dateUpdated":"2026-04-08T17:15:32.371Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-04-08T17:15:32.371Z"},"affected":[{"vendor":"wpdevteam","product":"Essential Blocks Pro","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.1.0","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"wpdevteam","product":"Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.2.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The Essential Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.0 via deserialization of untrusted input in the get_posts function. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code."}],"title":"Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/af468f83-d6ad-474c-bf7f-c4eeb6df1b54?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PostBlock.php?rev=2950425#L30"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-502 Deserialization of Untrusted Data","cweId":"CWE-502","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH"}}],"credits":[{"lang":"en","type":"finder","value":"Marco Wotschka"}],"timeline":[{"time":"2023-08-17T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-08-18T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-09-13T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:24:04.545Z"},"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/af468f83-d6ad-474c-bf7f-c4eeb6df1b54?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PostBlock.php?rev=2950425#L30","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T18:34:54.889423Z","id":"CVE-2023-4386","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-02-05T19:05:05.850Z"}}]}}