CVE-2026-48907
Joomla Extension - joomlacontenteditor.net - Remote Code Execution in JCE extension for Joomla < 2.9.99.5
- Published
- Jun 5, 2026
- Updated
- Jun 20, 2026
- Assigning CNA
- Joomla
- Evidence observed
- Jun 16, 2026
Primary CVSS
nvd · CVSS 4.0
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:RedHigh · next 30 days
- Percentile
- 99.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
20- CVE-2026-48907Informational
CVE-2026-48907
- masta-cve-2026-48907Scanner
Single-file Python scanner for CVE-2026-48907 (Joomla JCE Editor RCE). Detects Joomla/JCE, performs intrusive math-verified payload test, supports bulk threaded scanning, WAF detection, and generates styled Excel reports.
Proof-of-concept exploit and technical analysis for CVE-2026-48907, a CVSS 10.0 pre-authentication remote code execution vulnerability in the Joomla Content Editor (JCE). Includes a 3-request attack chain and detailed patch breakdown.
Responsible use
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