Joomla Extension - joomlacontenteditor.net - Remote Code Execution in JCE extension for Joomla < 2.9.99.5
Summary
| CVE | CVE-2026-48907 |
|---|---|
| State | PUBLISHED |
| Assigner | Joomla |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-05 08:16:30 UTC |
| Updated | 2026-06-16 20:16:46 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 10 CRITICAL from [email protected]
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: 0.804250000 probability, percentile 0.995710000 (date 2026-06-25)
CISA KEV: Listed on 2026-06-16; due 2026-06-19; ransomware use Unknown
Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 10 | CRITICAL | 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/C... |
| 4.0 | CNA | CVSS | 10 | CRITICAL | 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/A... |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
HighSub Integrity
HighSub Availability
HighCVSS: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
CISA Known Exploited Vulnerability
| Vendor | Widget Factory |
|---|---|
| Product | Joomla Content Editor |
| Name | Widget Factory Joomla Content Editor Improper Access Control Vulnerability |
| 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://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites ; https://www.joomlacontenteditor.net/support/changelog/editor ; 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-2026-48907 |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Joomlacontenteditor.net | Joomla Content Editor JCE Extension For Joomla | affected 1.0.0-2.9.99.4 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.joomlacontenteditor.net | [email protected] | www.joomlacontenteditor.net | |
| www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.joomlacontenteditor.net | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
Vendor Comments And Credit
Discovery Credit
CNA: David Jardin (en)
CNA: Uwe Flottemesch (en)
There are currently no legacy QID mappings associated with this CVE.