baserCMS is Vulnerable to Cross-site Scripting

baserCMS has DOM-based cross-site scripting in tag creation. Target baserCMS 5.2.2 and earlier versions Vulnerability Malicious JavaScript may be executed when creating a tag. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more...

EUVD-2026-17269

baserCMS is Vulnerable to Cross-site Scripting...

GHSA-C5C6-37VQ-PJCQ baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API

Summary A path traversal vulnerability exists in the baserCMS 5.x theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path parameter to create a PHP file in an arbitrary...

baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API

Summary A path traversal vulnerability exists in the baserCMS 5.x theme file management API /baser/api/admin/bc-theme-file/themefiles/add.json that allows arbitrary file write. An authenticated administrator can include ../ sequences in the path parameter to create a PHP file in an arbitrary...

GHSA-6HPG-8RX3-CWGV baserCMS has OS command injection vulnerability in installer

baserCMS has an OS command injection vulnerability in the installer. Target baserCMS 5.2.2 and earlier versions Vulnerability If baserCMS is placed on a server but not installed, malicious commands may be executed. Countermeasures Update to the latest version of baserCMS Please refer to the...

baserCMS has OS command injection vulnerability in installer

baserCMS has an OS command injection vulnerability in the installer. Target baserCMS 5.2.2 and earlier versions Vulnerability If baserCMS is placed on a server but not installed, malicious commands may be executed. Countermeasures Update to the latest version of baserCMS Please refer to the...

baserCMS has a cross-site scripting vulnerability in blog posts

baserCMS has a cross-site scripting vulnerability in blog posts. Target baserCMS 5.2.1 and earlier versions Vulnerability Malicious Javascript may be executed in blog posts. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more...

GHSA-JMQ3-X8Q7-J9QM baserCMS has a cross-site scripting vulnerability in blog posts

baserCMS has a cross-site scripting vulnerability in blog posts. Target baserCMS 5.2.1 and earlier versions Vulnerability Malicious Javascript may be executed in blog posts. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more...

EUVD-2026-17263

baserCMS has a cross-site scripting vulnerability in blog posts...

GHSA-8CR7-R8QW-GP3C baserCMS has Mail Form Acceptance Bypass via Public API

Summary A public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. Details In baserCMS, mail form...

GHSA-M9G7-RGFC-JCM7 baserCMS Update Functionality Vulnerable to OS Command Injection

Summary The latest version of baserCMS basercms-5.2.2 contains an OS command injection vulnerability CWE-78 in its update functionality. Due to this issue, an authenticated user with administrator privileges in baserCMS can execute arbitrary OS commands on the server with the privileges of the us...

EUVD-2026-17259

baserCMS Update Functionality Vulnerable to OS Command Injection...

baserCMS Update Functionality Vulnerable to OS Command Injection

Summary The latest version of baserCMS basercms-5.2.2 contains an OS command injection vulnerability CWE-78 in its update functionality. Due to this issue, an authenticated user with administrator privileges in baserCMS can execute arbitrary OS commands on the server with the privileges of the us...

EUVD-2026-17257

baserCMS has an SQL injection vulnerability in its blog post functionality...

baserCMS has an SQL injection vulnerability in its blog post functionality

baserCMS has a SQL injection vulnerability in blog posts. Target baserCMS 5.2.2 and earlier versions Vulnerability Malicious SQL may be executed in blog posts. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more information...

GHSA-VH89-RJPH-2G7P baserCMS has an SQL injection vulnerability in its blog post functionality

baserCMS has a SQL injection vulnerability in blog posts. Target baserCMS 5.2.2 and earlier versions Vulnerability Malicious SQL may be executed in blog posts. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more information...

GHSA-QXMC-6F24-G86G baserCMS has OS Command Injection Leading to Remote Code Execution (RCE)

Summary In the core update functionality of baserCMS, some parameters sent from the admin panel are passed to the exec function without proper validation or escaping. This issue allows an authenticated CMS administrator to execute arbitrary OS commands on the server Remote Code Execution, RCE. Th...

EUVD-2026-17255

baserCMS has OS Command Injection Leading to Remote Code Execution RCE...

baserCMS has OS Command Injection Leading to Remote Code Execution (RCE)

Summary In the core update functionality of baserCMS, some parameters sent from the admin panel are passed to the exec function without proper validation or escaping. This issue allows an authenticated CMS administrator to execute arbitrary OS commands on the server Remote Code Execution, RCE. Th...

baserCMS has Unsafe File Upload Leading to Remote Code Execution (RCE)

Details The application's restore function allows users to upload a .zip file, which is then automatically extracted. A PHP file inside the archive is included using requireonce without validating or restricting the filename. An attacker can craft a malicious PHP file within the zip and achieve...