CVE-2026-48908

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.

Score

CVSS 4.0 10.0 Critical

Status

Analyzed - security@joomla.org

Published

2026-06-20

Last modified

2026-10-25

Known exploited (CISA KEV)

since 2026-07-07, action due 2026-07-10: 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.

Weaknesses

CWE-434

Affected products

• Sp Page Builder Extension For Joomla (Joomshaper.net)
• Sp Page Builder (Ollyo)

References

• https://www.joomshaper.com/page-builder
• https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/
• https://www.joomshaper.com/forum/question/45152
• https://extensions.joomla.org/extension/sp-page-builder/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908