CVE-2019-8279 Cross-site scripting in Vanilla Forums

Medium 5.4 Published Updated

Remote attackers can inject arbitrary JavaScript into forum messages, potentially leading to code execution or account takeover.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-8279?

CVE-2019-8279 is a medium-severity cross-site scripting vulnerability in Kaspersky Lab Vanilla Forums, published on 2 Mar 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Multiple stored XSS in Vanilla Forums before 2.5 allow remote attackers to inject arbitrary JavaScript code into any message on forum.

Weakness: CWE-79

Which versions are affected by CVE-2019-8279?

It affects 1 product.

Products include Vanillaforums Vanilla Forums.

How do I fix CVE-2019-8279?

No fix has been published for CVE-2019-8279 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-2019-8279 being exploited?

There is no known exploitation of CVE-2019-8279 in the wild and no public exploit code.

Sources

Also known as GHSA-768c-fmgx-4fwr.

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