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CVE-2026-48908Joomla Extension - joomshaper.com - Remote Code Execution in SP Pagebuilder extension for Joomla < 6.6.2
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.
10.0 CRITICALEPSS 89.17%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0Joomla (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Jul 10, 2026
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.
Details
- CVE ID
- CVE-2026-48908
- Status
- Analyzed
- Assigner (CNA)
- Joomla
- Published
- Jun 20, 2026
- Last modified
- 2026-10-25 23:10 UTC
- Weaknesses
- CWE-434 · Unrestricted Upload of File with Dangerous Type
Affected Products
As published by the CNA in the CVE record.
joomshaper.netSP Page Builder extension for Joomla1 version range
- 1.0.0-6.6.1
References
- joomshaper.com https://www.joomshaper.com/page-builder
- extensions.joomla.org https://extensions.joomla.org/extension/sp-page-builder/
- mysites.guru https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908
- joomshaper.com https://www.joomshaper.com/forum/question/45152