TYPO3 Cross-Site Scripting in Link Handling

It has been discovered that t3:// URL handling and typolink functionality are vulnerable to cross-site scripting. Not only regular backend forms are affected but also frontend extensions which use the rendering with typolink...

GHSA-X428-565F-8XJ2 TYPO3 Arbitrary Code Execution and Cross-Site Scripting in Backend API

Backend API configuration using Page TSconfig is vulnerable to arbitrary code execution and cross-site scripting. TSconfig fields of page properties in backend forms can be used to inject malicious sequences. Field tsconfigincludes is vulnerable to directory traversal leading to same scenarios as...

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-G776-759R-PF6X 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-WVVP-JWF5-QCPC TYPO3 Information Disclosure in Page Tree

It has been discovered backend users not having read access to specific pages still could see them in the page tree which actually should be disallowed. A valid backend user account is needed in order to exploit this vulnerability...

GHSA-XMGR-JFF3-FCFV TYPO3 Security Misconfiguration in User Session Handling

When users change their password existing sessions for that particular user account are not revoked. A valid backend or frontend user account is required in order to make use of this vulnerability...

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...

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...

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-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 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 Denial of Service in Online Media Asset Handling

Online Media Asset Handling .youtube and .vimeo files in the TYPO3 backend is vulnerable to denial of service. Putting large files with according file extensions results in high consumption of system resources. This can lead to exceeding limits of the current PHP process which results in a...

GHSA-29M4-MX89-3MJG TYPO3 Denial of Service in Online Media Asset Handling

Online Media Asset Handling .youtube and .vimeo files in the TYPO3 backend is vulnerable to denial of service. Putting large files with according file extensions results in high consumption of system resources. This can lead to exceeding limits of the current PHP process which results in a...

GHSA-G4C9-QFVW-FMR4 TYPO3 Cross-Site Scripting in Backend Modal Component

Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability...

TYPO3 Cross-Site Scripting in Backend Modal Component

Failing to properly encode user input, notifications shown in modal windows in the TYPO3 backend are vulnerable to cross-site scripting. A valid backend user account is needed in order to exploit this vulnerability...

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...

TYPO3 Cross-Site Scripting in Online Media Asset Rendering

Failing to properly encode user input, online media asset rendering .youtube and .vimeo files is vulnerable to cross-site scripting. A valid backend user account or write access on the server system e.g. SFTP is needed in order to exploit this vulnerability...