Vulnerability Intelligence Report
Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor (JCE) < 2.9.99.10
CVE-2026-65891
Joomla Extension - joomlacontenteditor.net - Creation of hidden files and unintended file overwrite via rename function in Joomla Content Editor (JCE) < 2.20.2 - Improper input validation in the file rename functionality allowed an authenticated user with file management permissions to rename files to otherwise invalid names, resulting in the creation of hidden files. The issue also allowed existing files at the destination path to be unintentionally replaced.
No Active Exploit Signals
CVSS Base Score
6.5
MEDIUM
Exploitability:2.9
Impact Score:3.6
EPSS Probability:0.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-20 ↗CWE-20 – Improper Input Validation
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| joomlacontenteditor.net | Joomla Content Editor (JCE) extension for Joomla | 1.0.0-2.9.99.9 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.140%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Joomla! Project · Vendor · USA |
| Reserved | 2026-07-23T09:31:17 |
| Published | 2026-07-29T12:37:47 |
| Last Updated | 2026-07-31T05:43:27 |
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