CVE-2026-65891
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Vulnerability in the Joomla Content Editor (JCE) extension versions prior to 2.20.2. Improper input validation in the file rename function allows an authenticated user with file management permissions to rename files to invalid names, resulting in hidden file creation and unintended overwriting of existing files.
Risk Assessment
The risk involves potential creation of hidden files and overwriting of existing files, leading to data loss or concealment of malicious content.
Recommendation
Update the Joomla Content Editor (JCE) extension to version 2.20.2 or later, which fixes this vulnerability.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

