Information Disclosure in TYPO3 CMS

Failing to properly check user permission on file storages, editors could gain knowledge of protected storages and its folders as well as using them in a file collection being rendered in the frontend. A valid backend user account is needed to exploit this vulnerability...

Privilege Escalation & SQL Injection in TYPO3 CMS

Failing to properly dissociate system related configuration from user generated configuration, the Form Framework system extension "form" is vulnerable to SQL injection and Privilege Escalation. Basically instructions can be persisted to a form definition file that were not configured to be...

GHSA-7QWG-FCPW-XG5G Privilege Escalation & SQL Injection in TYPO3 CMS

Failing to properly dissociate system related configuration from user generated configuration, the Form Framework system extension "form" is vulnerable to SQL injection and Privilege Escalation. Basically instructions can be persisted to a form definition file that were not configured to be...

GHSA-67WG-6J7R-MQH8 Arbitrary Code Execution in TYPO3 CMS

Due to a missing file extension in the fileDenyPattern, backend user are allowed to upload .pht files which can be executed in certain web server setups. The new default fileDenyPattern is the following, which might have been overridden in the TYPO3 Install Tool...

GHSA-8H28-F46F-M87H Insecure Deserialization in TYPO3 CMS

It has been discovered that the Form Framework system extension "form" is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package “yaml”, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting...

Insecure Unserialize in TYPO3 Import/Export

Failing to properly validate incoming import data, the Import/Export component is susceptible to insecure unserialize. To exploit this vulnerability a valid backend user account is needed...

GHSA-XVCP-33RC-J8GQ Insecure Unserialize in TYPO3 Import/Export

Failing to properly validate incoming import data, the Import/Export component is susceptible to insecure unserialize. To exploit this vulnerability a valid backend user account is needed...

Typo3 Arbitrary File Disclosure in Form Component

Failing to properly validate user input, the form component is susceptible to Arbitrary File Disclosure. A valid backend user account is needed to exploit this vulnerability. Only forms are vulnerable, which contain upload fields...

GHSA-WRPF-2X8H-82GR Typo3 Arbitrary File Disclosure in Form Component

Failing to properly validate user input, the form component is susceptible to Arbitrary File Disclosure. A valid backend user account is needed to exploit this vulnerability. Only forms are vulnerable, which contain upload fields...

Insecure Deserialization

typo3/cms-form is vulnerable to Insecure Deserialization. The vulnerability is due to the PECL package "yaml" with the PHP setting yml.decodephp enabled, which allows an attacker to deserialize arbitrary YAML to PHP code. An attacker must have a valid backend user account as well yaml.decodephp...

Cross-Site Scripting (XSS)

typo3/cms-core is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper user input encoding, which can result in XSS when rendering files from .youtube or .vimeo. Exploitation requires a valid backend user account or write access on the server system e.g., SFTP...

TYPO3 Information Disclosure Vulnerability Exploitable by Editors

It has been discovered, that editors with access to the file list module could list all files names and folder names in the root directory of a TYPO3 installation. Modification of files, listing further nested directories or retrieving file contents was not possible. A valid backend user account ...

GHSA-R287-HC8J-W56H TYPO3 Information Disclosure Vulnerability Exploitable by Editors

It has been discovered, that editors with access to the file list module could list all files names and folder names in the root directory of a TYPO3 installation. Modification of files, listing further nested directories or retrieving file contents was not possible. A valid backend user account ...

TYPO3 Broken Access Control in Import Module

It has been discovered that the Import/Export module is susceptible to broken access control. Regular backend users have access to import functionality which usually only is available to admin users or users having User TSconfig setting options.impexp.enableImportForNonAdminUser explicitly enable...

GHSA-RV8R-8MH5-5376 TYPO3 Information Disclosure in Backend User Interface

The element information component used to display properties of a certain record is susceptible to information disclosure. The list of references from or to the record is not properly checked for the backend user’s permissions. A valid backend user account is needed in order to exploit this...

TYPO3 Information Disclosure in Backend User Interface

The element information component used to display properties of a certain record is susceptible to information disclosure. The list of references from or to the record is not properly checked for the backend user’s permissions. A valid backend user account is needed in order to exploit this...

GHSA-F9HR-7CFQ-MJG2 TYPO3 Arbitrary Code Execution via File List Module

Due to missing file extensions in $GLOBALS'TYPO3CONFVARS''BE'‘fileDenyPattern’, backend users are allowed to upload .phar, .shtml, .pl or .cgi files which can be executed in certain web server setups. A valid backend user account is needed in order to exploit this vulnerability. Derivatives of...

GHSA-9RX9-7FMH-GJ3G TYPO3 Broken Access Control in Localization Handling

It has been discovered that backend users having limited access to specific languages are capable of modifying and creating pages in the default language which actually should be disallowed. A valid backend user account is needed in order to exploit this vulnerability...

GHSA-RXC9-F2X6-QH4W TYPO3 Security Misconfiguration for Backend User Accounts

When using the TYPO3 backend in order to create new backend user accounts, database records containing insecure or empty credentials might be persisted. When the type of user account is changed - which might be entity type or the admin flag for backend users - the backend form is reloaded in orde...

TYPO3 CMS Insecure Deserialization

It has been discovered that the Form Framework system extension form is vulnerable to Insecure Deserialization when being used with the additional PHP PECL package yaml, which is capable of unserializing YAML contents to PHP objects. A valid backend user account as well as having PHP setting...