A cross-site scripting vulnerability via script validation bypass exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

A stored cross-site scripting vulnerability via appended strings in email form fields exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

A stored cross-site scripting vulnerability via custom content descriptions exists in baserCMS. If this vulnerability is exploited, an arbitrary script may be executed in the user's web browser.

A missing authentication for critical function vulnerability exists in baserCMS. If this vulnerability is exploited, a remote attacker may obtain sensitive information.

Arbitrary PHP Code Execution via Config.php Inclusion during Addon Migration

When converting baserCMS4-style addons to baserCMS5-style ones, BcAddonMigrator includes "config.php" from the addon, which means the PHP code in the file is executed. Arbitrary files on the system may be read or deleted by an administrative user.

CSV Injection Vulnerability in BaserCMS Allowing Execution of Malicious Code When Opening CSV Files

BaserCMS provided by baserCMS Users Community contains a CSV file injection vulnerability. If a user downloads and opens a CSV file containing malicious code injected by an attacker, the malicious code may be executed.