CVE-2016-4855 ADOdb Cross-site scripting vulnerability in old test script

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script or HTML into applications using the ADOdb library, potentially leading to session hijacking or malicious actions.

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-2016-4855?

CVE-2016-4855 is a medium-severity cross-site scripting vulnerability in ADOdb, published on 12 May 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

Cross-site scripting vulnerability in ADOdb versions prior to 5.20.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2016-4855?

2 open source packages ship an affected version, including adodb/adodb-php. It affects 1 product.

PackageAffectedFixed in
adodb/adodb-php PackagistAll versions5.20.6
adodb/adodb-php PackagistAll versions5.20.6

Products include Adodb Project Adodb.

How do I fix CVE-2016-4855?

Upgrade adodb/adodb-php to 5.20.6 or later.

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-2016-4855 being exploited?

There is no known exploitation of CVE-2016-4855 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2016-4855, GHSA-hhfw-xxhm-pf32, UBUNTU-CVE-2016-4855.

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