CVE-2018-16786 Cross-site scripting in n/a

Medium 6.1 Published 21 Sep 2018 Updated 5 Aug 2024

Attackers can execute arbitrary scripts in victim browsers via a crafted msg parameter in DedeCMS feedback AJAX endpoint.

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: None listed

What is CVE-2018-16786?

CVE-2018-16786 is a medium-severity cross-site scripting vulnerability in Dedecms Dedecms, published on 21 Sep 2018. 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

DedeCMS 5.7 SP2 allows XSS via an onhashchange attribute in the msg parameter to /plus/feedback_ajax.php.

Weakness: CWE-79

Which versions are affected by CVE-2018-16786?

It affects 1 product.

Products include Dedecms Dedecms.

How do I fix CVE-2018-16786?

No fix has been published for CVE-2018-16786 yet. Limit exposure of the affected software until one is available.

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-2018-16786 being exploited?

There is no known exploitation of CVE-2018-16786 in the wild and no public exploit code.

All Dedecms Dedecms vulnerabilities

Sources

Also known as GHSA-hf6q-38gg-p3c7.