CVE-2026-48907

joomlacontenteditor.net Joomla Content Editor (JCE) extension for Joomla

Published 5 Jun 2026 · updated 23 Jul 2026 · Analyzed

10.0 Critical · CVSS 4.0, joomla.org

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 16 Jun 2026, with a remediation deadline of 19 Jun 2026 for US federal agencies.

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.

References