An issue in Lepton CMS v.7.0.0 allows a local attacker to execute arbitrary code via the upgrade.php file in the languages place.

LeptonCMS version 7.3.0 contains an arbitrary file upload vulnerability, which is caused by the lack of proper validation for uploaded files. An authenticated attacker can exploit this vulnerability by uploading a specially crafted ZIP/PHP file to execute arbitrary code.

An arbitrary file upload vulnerability in LEPTON v7.0.0 allows authenticated attackers to execute arbitrary PHP code by uploading this code to the backend/languages/index.php languages area.

File Upload vulnerability in lepton v.7.1.0 allows a remote authenticated attackers to execute arbitrary code via uploading a crafted PHP file.

File Upload vulnerability in lepton v.7.1.0 allows a remote authenticated attackers to execute arbitrary code via uploading a crafted PHP file to the save.php and config.php component.

Lepton-CMS 4.7.0 is affected by cross-site scripting (XSS). An attacker can inject the XSS payload in the URL field of the admin page and each time an admin visits the Menu-Pages-Pages Overview section, the XSS will be triggered.

Cross Site Scripting (XSS) vulnerability in backend/pages/modify.php in Lepton-CMS version 4.7.0, allows remote attackers to execute arbitrary code.

Multiple cross-site scripting (XSS) vulnerabilities exist in LeptonCMS before 4.6.0.