{"id":"CVE-2026-48908","published":"2026-06-20T13:16:42Z","modified":"2026-10-25T23:10:00Z","title":"JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability","vendor":"JoomShaper","product":"SP Page Builder","tier":"core","eol":null,"description":{"text":"A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.","provenance":"source","from":"NVD"},"summary":{"text":"The JoomShaper SP Page Builder extension for Joomla contains an unrestricted file upload flaw classified as CWE \"Unrestricted Upload of File with Dangerous Type\". An unauthenticated remote attacker can upload arbitrary files to the affected component without requiring authentication or any user interaction, and can thereby upload and execute PHP code on the server.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:52Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.88512,"percentile":0.99771,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2026-07-07","dueDate":"2026-07-10","ransomware":false,"requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"https://extensions.joomla.org/extension/sp-page-builder/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-48908","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-06-15","exploitedFirstSeen":"2026-06-15","ransomware":false,"evidence":[{"url":"https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/","date":"2026-06-15"},{"url":"https://previdian.com/CVE-2026-48908","date":"2026-07-07"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-07-07"},{"url":"https://fortiguard.fortinet.com/outbreak-alert/joomla-sp-page-builder-rce","date":"2026-07-17"},{"url":"https://www.recordedfuture.com/blog/july-2026-cve-landscape","date":"2026-08-07"},{"url":"https://www.acn.gov.it/portale/documents/20119/1300791/Operational_Summary_lug26_CLEAR.pdf/88b05799-3e4c-f3ed-4a42-d9e68e080604?t=1787220905144","date":"2026-08-20"}],"evidenceTotal":6,"provenance":"source"},"exploited":true,"otx":{"pulseCount":39,"pulses":[{"name":"Actively_Exploited_Kev | Oct 31, 2026","url":"https://otx.alienvault.com/pulse/6ae4aefab0c2191cecd41862","created":"2026-10-30"},{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"}],"provenance":"machine"},"cwes":[{"id":"CWE-434","name":"Unrestricted Upload of File with Dangerous Type"}],"references":[{"url":"https://www.joomshaper.com/page-builder","tags":["Product"]},{"url":"https://extensions.joomla.org/extension/sp-page-builder/","tags":["Product"]},{"url":"https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908","tags":["US Government Resource"]},{"url":"https://www.joomshaper.com/forum/question/45152","tags":["Issue Tracking"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthenticated upload via public-facing web application","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allows unauthenticated users to upload arbitrary files","start":46,"end":100}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Uploaded PHP code is executed on the server","mappingType":"primary_impact","evidence":[{"from":"description","quote":"ultimately resulting in the upload and execution of PHP code","start":102,"end":162}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-38110","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38110","exploited":true,"exploitedSince":"2026-07-06","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":9,"skipped":2,"earliest":"2026-06-22","earliestUrl":"https://github.com/papageo75/CVE-2026-48908-PoC","repos":[{"name":"papageo75/CVE-2026-48908-PoC","url":"https://github.com/papageo75/CVE-2026-48908-PoC","stars":18,"created":"2026-06-22"},{"name":"Jenderal92/CVE-2026-48908","url":"https://github.com/Jenderal92/CVE-2026-48908","stars":3,"created":"2026-07-07"},{"name":"0xBlackash/CVE-2026-48908","url":"https://github.com/0xBlackash/CVE-2026-48908","stars":2,"created":"2026-06-24"},{"name":"imXur/CVE-2026-48908-Joomla-SP-Page-Builder-RCE","url":"https://github.com/imXur/CVE-2026-48908-Joomla-SP-Page-Builder-RCE","stars":2,"created":"2026-07-25"},{"name":"yora1928/CVE-2026-48908-by-yora","url":"https://github.com/yora1928/CVE-2026-48908-by-yora","stars":2,"created":"2026-08-12"}]},"nuclei":[{"id":"CVE-2026-48908","name":"Joomla SP Page Builder <= 6.6.1 - Unauthenticated Arbitrary File Upload RCE","severity":"critical","path":"javascript/cves/2026/CVE-2026-48908.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2026/CVE-2026-48908.yaml"}],"first":{"date":"2026-06-22","source":"PoC-in-GitHub","url":"https://github.com/papageo75/CVE-2026-48908-PoC"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2026-06-15","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/","provenance":"source"},{"date":"2026-06-20","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48908","provenance":"source"},{"date":"2026-06-22","kind":"exploit-public","label":"First public exploit: 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template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"39 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}