{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-54001", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2025-07-16T08:51:16.735Z", "datePublished": "2026-03-05T05:53:29.753Z", "dateUpdated": "2026-04-28T18:44:51.756Z" }, "containers": { "cna": { "affected": [ { "collectionURL": "https://themeforest.net", "defaultStatus": "unaffected", "packageName": "classter", "product": "Classter", "vendor": "ThemeREX", "versions": [ { "lessThanOrEqual": "2.5", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Tran Nguyen Bao Khanh (VCI - VNPT Cyber Immunity) | Patchstack Bug Bounty Program" } ], "datePublic": "2026-04-01T15:59:23.231Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.
This issue affects Classter: from n/a through <= 2.5.
" } ], "value": "Deserialization of Untrusted Data vulnerability in ThemeREX Classter classter allows Object Injection.This issue affects Classter: from n/a through <= 2.5." } ], "impacts": [ { "capecId": "CAPEC-586", "descriptions": [ { "lang": "en", "value": "Object Injection" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-502", "description": "Deserialization of Untrusted Data", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-04-28T16:13:28.488Z" }, "references": [ { "tags": [ "vdb-entry" ], "url": "https://patchstack.com/database/Wordpress/Theme/classter/vulnerability/wordpress-classter-theme-2-5-php-object-injection-vulnerability?_s_id=cve" } ], "title": "WordPress Classter theme <= 2.5 - PHP Object Injection vulnerability" }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-05T15:37:33.761648Z", "id": "CVE-2025-54001", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-04-28T18:44:51.756Z" } } ] } }