Cross-site scripting in third party library mso/idna-convert in TYPO3 - #VU195

 

Cross-site scripting in third party library mso/idna-convert in TYPO3 - #VU195

Published: July 22, 2016 / Updated: July 29, 2016


Vulnerability identifier: #VU195
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Amber
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: TYPO3
Affected software:
TYPO3

Detailed vulnerability description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists in TYPO3 CMS. TYPO3 ships example code from mso/idna-convert library in the vendor folder, which is vulnerable to Cross-Site Scripting.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install the latest versions (7.6.10, 8.2.1).

Sources