CVE-2026-48908
JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability
CVSS
9.8
Critical
EPSS
1.6%
p73
KEV
YES
Jul 7, 2026
Exploit Today
72
0-100
Published: Jun 20, 2026 · Last modified: Jul 8, 2026 · CWE-434
Product
JoomShaper / SP Page Builder
Vulnerability
JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability
Added to KEV
Jul 7, 2026
Remediate by
Jul 10, 2026
Known ransomware use
No
Summary description
JoomShaper SP Page Builder contains an unrestricted upload of file with dangerous type vulnerability that allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.
Required action
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
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.
- www.joomshaper.comhttps://www.joomshaper.com/page-builder
- extensions.joomla.orghttps://extensions.joomla.org/extension/sp-page-builder/
- mysites.guruhttps://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908
- www.joomshaper.comhttps://www.joomshaper.com/forum/question/45152