CVE-2026-11426
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk23th percentile - higher than 23% of all known CVEs
Summary
The UnderConstructionPage PRO plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 5.76. This is due to the plugin accepting arbitrary local file paths in the template_thumbnail parameter and copying their contents into a publicly accessible uploads file.
Risk Assessment
An authenticated attacker with Subscriber-level access or higher can read arbitrary files on the server, including configuration files, credentials, or other sensitive information.
Recommendation
It is recommended to immediately update the UnderConstructionPage PRO plugin to the latest available version that fixes this vulnerability.
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Original NVD description (English source)
The UnderConstructionPage PRO plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 5.76. This is due to the plugin accepting arbitrary local file paths in the template_thumbnail parameter and copying their contents into a publicly accessible uploads file. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read arbitrary files on the server, which can contain sensitive information.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS