CVE-2016-4808 Web2py Cross-Site Request Forgery vulnerability

High 8.8 Published Updated

Attackers can trick logged-in users into performing unwanted actions like disabling applications via crafted URLs in Web2py.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-4808?

CVE-2016-4808 is a high-severity vulnerability in n/a, published on 11 Jan 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Web2py versions 2.14.5 and below was affected by CSRF (Cross Site Request Forgery) vulnerability, which allows an attacker to trick a logged in user to perform some unwanted actions i.e An attacker can trick an victim to disable the installed application just by sending a URL to victim.

Weakness: CWE-352

Which versions are affected by CVE-2016-4808?

3 open source packages ship an affected version, including web2py. It affects 1 product.

PackageAffectedFixed in
web2py PyPIAll versions2.14.6
web2py PyPIAll versions2.14.6
web2py PyPIAll versions2.14.6

Products include Web2py Web2py.

How do I fix CVE-2016-4808?

Upgrade web2py to 2.14.6 or later.

Is CVE-2016-4808 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-4808 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-gp69-xcm6-ffqj, PYSEC-2026-1061.

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