Summary
generated automatically from NVD dataCVE-2026-48908 affects SP Page Builder for Joomla, where an unrestricted file upload flaw (CWE-434) lets unauthenticated users upload arbitrary files. This can ultimately lead to the upload and execution of PHP code on the server. The issue is rated CRITICAL with a CVSS v3.1 score of 9.8, and it is listed in the CISA KEV catalog, which indicates active exploitation.
NVD description
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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-07-07. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-07-10
EPSS · FIRST.org
88.5%probability of exploitation in the next 30 days
Higher than 99% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 20 juin 2026
- Updated
- 7 oct. 2026
- Status
- Analyzed
- Source
- security@joomla.org
Affected products
Weaknesses (CWE)
References (5)
- https://mysites.guru/blog/sp-page-builder-zero-day-uploadcustomicon-rce/Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48908US Government Resource
- https://www.joomshaper.com/forum/question/45152Issue Tracking
Similar CVEs
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