JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability
joomshaper.net — SP Page Builder extension for Joomla
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.
9.8
14.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Jun 20, 2026
- Modified
- Jul 8, 2026
- Added to KEV
- Jul 7, 2026
- Federal patch due
- Jul 10, 2026
CISA 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.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
8 foundWeaponization
Public repositories whose name or description references CVE-2026-48908, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- papageo75/CVE-2026-48908-PoC★ 16
Unauthenticated RCE PoC for CVE-2026-48908 — SP Page Builder for Joomla (≤ 6.6.1): arbitrary file upload via asset.uploadCustomIcon. Self-cleaning, token-guarded. Authorized testing only.
updated Aug 24, 2026
- Jenderal92/CVE-2026-48908★ 3
CVE-2026-48908 — PoC exploit for unauthenticated RCE in SP Page Builder (Joomla) via arbitrary file upload. Multi‑threaded, case‑bypass, shell verification. For authorized security testing only.
updated Aug 13, 2026
- 0xBlackash/CVE-2026-48908★ 2
CVE-2026-48908
updated Jul 25, 2026
- yora1928/CVE-2026-48908-by-yora★ 2
Passive security checker for CVE-2026-48908 affecting SP Page Builder.
updated Aug 20, 2026
- imXur/CVE-2026-48908-Joomla-SP-Page-Builder-RCE★ 2
Technical analysis and advisory for CVE-2026-48908: Unauthenticated Arbitrary File Upload to RCE in JoomShaper SP Page Builder.
updated Jul 27, 2026
- ayiezola/CVE-2026-48908★ 0
Unauthenticated RCE PoC for CVE-2026-48908 SP Page Builder (Joomla) arbitrary file upload and remote code execution exploit with mass scaning support.
updated Jun 28, 2026
- bayu06802/CVE-2026-48908★ 0
updated Jul 5, 2026
- cazzysoci/cve-2026-48908★ 0
updated Jul 10, 2026
References
Frequently asked questions
What is 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.
How severe is CVE-2026-48908?
CVE-2026-48908 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2026-48908 actively exploited in the wild?
Yes. CVE-2026-48908 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jul 7, 2026, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2026-48908?
14.8% - meaning FIRST.org's EPSS model estimates a 14.8% probability this vulnerability will be exploited in the wild within 30 days (96% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2026-48908?
We found 8 public GitHub repositories referencing CVE-2026-48908, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2026-48908?
CVE-2026-48908 is classified under CWE-434 (CWE-434: Unrestricted Upload of File with Dangerous Type).
Cross-checked against
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