CVE-2014-3877 Cross-site scripting in n/a

Medium 4.3 Published 18 Jun 2014 Updated 6 Aug 2024

Remote attackers can execute cross-site scripting attacks via the addto parameter in F*EX, requiring user interaction to trigger.

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-2014-3877?

CVE-2014-3877 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Jun 2014. 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

Incomplete blacklist vulnerability in Frams' Fast File EXchange (F*EX, aka fex) before fex-20140530 allows remote attackers to conduct cross-site scripting (XSS) attacks via the addto parameter to fup.

Which versions are affected by CVE-2014-3877?

It affects 1 product.

Products include Ulli Horlacher Fex.

How do I fix CVE-2014-3877?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2014-3877 being exploited?

There is no known exploitation of CVE-2014-3877 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2014-3877, GHSA-8g57-j3c3-fvfv.