Vulnerabilities

CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution

CISA added a max-severity Joomla JCE flaw enabling unauthenticated PHP execution to its KEV catalogue, signalling active exploitation that affects the many EU SMBs still running Joomla-based sites.

Summary written by editorial AI · Source link below

Filed by THN (Feedburner)17 June 20261 min readRead at source ↗

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a maximum-severity security flaw impacting Widget Factory Joomla Content Editor (JCE) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.

The vulnerability, tracked as CVE-2026-48907 (CVSS score: 10.0), is a case of improper access control that could facilitate arbitrary

Editorial Analysis

Why it matters

Joomla remains widely deployed by European Mittelstand web presences; active exploitation of a maximum-severity flaw demands immediate patching or WAF mitigation.

What to do

Identify all Joomla installations, patch or disable the JCE component immediately, and review web-application firewall rules for PHP injection patterns.

Board brief

A critical Joomla vulnerability is being actively exploited in the wild; unpatched public-facing sites are at immediate risk of full compromise.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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Editorial Analysis

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