CVE-2026-48907
Critical 9.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Widget Factory Joomla Content Editor Improper Access Control Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Description
A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.
Metrics
- CVSS 3.1
-
9.8 (CRITICAL)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
10.0 (CRITICAL)
Score source: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red - EPSS — exploit probability
- 85% (percentile: 100) as of 1 November 2026
- CWE
- CWE-284
Affected products
widgetfactorylimited: jce
References
- https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-f… Release NotesVendor Advisory
- https://www.joomlacontenteditor.net/ Product
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026… US Government Resource