{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6261", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-04-13T23:57:52.714Z", "datePublished": "2026-05-05T11:25:00.302Z", "dateUpdated": "2026-05-05T11:25:00.302Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-05-05T11:25:00.302Z"}, "affected": [{"vendor": "MuffinGroup", "product": "Betheme", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "28.4", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28.4. This is due to the upload_icons() function workflow moving and unzipping user-controlled ZIP files into a public uploads directory without validating extracted file types. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files (including PHP) and achieve remote code execution via the Icons icon-pack upload flow."}], "title": "Betheme <= 28.4 - Authenticated (Author+) Arbitrary File Upload to Remote Code Execution via Icon Pack Upload", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/722c04c3-8f74-4081-b3a4-cb1ae2027312?source=cve"}, {"url": "https://support.muffingroup.com/changelog/"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434", "type": "CWE"}]}], "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"}}], "credits": [{"lang": "en", "type": "finder", "value": "Craig Smith"}, {"lang": "en", "type": "finder", "value": "Leonid Semenenko"}], "timeline": [{"time": "2026-04-14T00:13:32.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-05-04T22:35:37.000Z", "lang": "en", "value": "Disclosed"}]}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28.4. This is due to the upload_icons() function workflow moving and unzipping user-controlled ZIP files into a public uploads directory without validating extracted file types. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files (including PHP) and achieve remote code execution via the Icons icon-pack upload flow."}], "id": "CVE-2026-6261", "lastModified": "2026-05-05T12:16:21.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-05-05T12:16:21.453", "references": [{"source": "security@wordfence.com", "url": "https://support.muffingroup.com/changelog/"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/722c04c3-8f74-4081-b3a4-cb1ae2027312?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

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