Expressionengine Security Vulnerabilities

CVE-2008-0201

Cross-site scripting (XSS) vulnerability in index.php in ExpressionEngine 1.2.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the URL parameter.

CVE-2008-0202

CRLF injection vulnerability in index.php in ExpressionEngine 1.2.1 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the URL parameter.

CVE-2009-1070

Cross-site scripting (XSS) vulnerability in system/index.php in ExpressionEngine 1.6.4 through 1.6.6, and possibly earlier versions, allows remote attackers to inject arbitrary web script or HTML via the avatar parameter.

CVE-2014-5387

Multiple SQL injection vulnerabilities in EllisLab ExpressionEngine before 2.9.1 allow remote authenticated users to execute arbitrary SQL commands via the (1) column_filter or (2) category[] parameter to system/index.php or the (3) tbl_sort[0][] parameter in the comment module to system/index.php.

CVE-2017-0897

ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5 create an object signing token with weak entropy. Successfully guessing the token can lead to remote code execution.

CVE-2017-1000160

EllisLab ExpressionEngine 3.4.2 is vulnerable to cross-site scripting resulting in PHP code injection

CVE-2018-17874

ExpressionEngine before 4.3.5 has reflected XSS.

CVE-2020-13443

ExpressionEngine before 5.3.2 allows remote attackers to upload and execute arbitrary code in a .php%20 file via Compose Msg, Add attachment, and Save As Draft actions. A user with low privileges (member) is able to upload this. It is possible to bypass the MIME type check and file-extension check ...

CVE-2020-8242

Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack.

CVE-2021-27230

ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain authenticated users who can leverage Translate::save() to write to an _lang.php file under the system/user/language directory.

CVE-2021-33199

In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.

CVE-2021-44534

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

CVE-2023-22953

In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user.

CVE-2024-38454

ExpressionEngine before 7.4.11 allows XSS.