#VU39800 Cross-site scripting in TYPO3 - CVE-2016-4056
Published: January 23, 2017 / Updated: November 18, 2020
Vulnerability identifier: #VU39800
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-4056
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
TYPO3
TYPO3
Software vendor:
TYPO3
TYPO3
Description
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in the Backend component in TYPO3 6.2.x before 6.2.19 when processing module parameter when creating a bookmark. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
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 update from vendor's website.