TYPO3 CVE-2019-12748 Cross Site Scripting Vulnerability

Bugtraq ID:	109115
Class:	Input Validation Error
CVE:	CVE-2019-12748
Remote:	Yes
Local:	No
Published:	Jun 25 2019 12:00AM
Updated:	Jun 25 2019 12:00AM
Credit:	Robin Peraglie (RIPS technologies)
Vulnerable:	Typo3 Typo3 9.5.7 Typo3 Typo3 9.5.6 Typo3 Typo3 9.5.5 Typo3 Typo3 9.5.4 Typo3 Typo3 9.5.2 Typo3 Typo3 9.4 Typo3 Typo3 9.0 Typo3 Typo3 8.7.26 Typo3 Typo3 8.7.25 Typo3 Typo3 8.7.24 Typo3 Typo3 8.7.23 Typo3 Typo3 8.7.22 Typo3 Typo3 8.7.21 Typo3 Typo3 8.7.20 Typo3 Typo3 8.7.5 Typo3 Typo3 8.7.4 Typo3 Typo3 8.7.3 Typo3 Typo3 8.7.2 Typo3 Typo3 8.7.1 Typo3 Typo3 8.7 Typo3 Typo3 8.6.1 Typo3 Typo3 8.6 Typo3 Typo3 8.4.1 Typo3 Typo3 8.4 Typo3 Typo3 9.5 Typo3 Typo3 9.3.3 Typo3 Typo3 8.5.1 Typo3 Typo3 8.5.0 Typo3 Typo3 8.3.1 Typo3 Typo3 8.3.0
Not Vulnerable:	Typo3 Typo3 9.5.8 Typo3 Typo3 8.7.27

TYPO3 CVE-2019-12748 Cross Site Scripting Vulnerability

TYPO3 is prone to an cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks.

Typo3 versions 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 are vulnerable.

TYPO3 CVE-2019-12748 Cross Site Scripting Vulnerability

Attackers can exploit this issue by enticing an unsuspecting user into following a malicious URI.

TYPO3 CVE-2019-12748 Cross Site Scripting Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

TYPO3 CVE-2019-12748 Cross Site Scripting Vulnerability

References:

• TYPO3 Homepage (TYPO3)
  
• TYPO3-CORE-SA-2019-015: Cross-Site Scripting in Link Handling (TYPO3)