Cross-site scripting in Werkzeug - CVE-2016-10516
Published: October 23, 2017 / Updated: July 18, 2020
Vulnerability identifier: #VU31406
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2016-10516
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 (as used in Pallets Flask and other products). A remote authenticated 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.
Affected software
Werkzeug
Fedora
python-werkzeug
QRadar Assistant
Fedora
python-werkzeug
QRadar Assistant
How to mitigate CVE-2016-10516
Update to version 0.11.11.
Werkzeug - update to 0.11.11
python-werkzeug - addressed in versions 0.8.3-3.el6, 0.12.2-1.fc26, 0.12.2-1.fc27
QRadar Assistant - update to 3.7.0
python-werkzeug - addressed in versions 0.8.3-3.el6, 0.12.2-1.fc26, 0.12.2-1.fc27
QRadar Assistant - update to 3.7.0