CVE-2026-48907

CRITICAL CISA KEV EPSS 99.6%
Published Jun 5, 20263w ago · Modified Jun 17, 20261w ago
10.0 CVSS 4.0
Critical
Find Similar
Published Jun 5, 2026 3w ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Jun 16, 2026 1w ago
KEV Due Jun 19, 2026 10d overdue

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.

CVSS Details

Base Score
10.0
Exploitability
Impact
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

CISA Known Exploited Overdue 10d
Added
Jun 16, 2026
Due
Jun 19, 2026

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.

EPSS Exploit Probability
99.6% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-284

Affected Products 1

VendorProductVersionRange
widgetfactorylimitedjce* <2.9.99.5

References 3

  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907
    US Government Resource
  • joomlacontenteditor.net https://www.joomlacontenteditor.net/
    Product
  • joomlacontenteditor.net https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sites
    Release NotesVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.