CVE-2019-6979 Cross-site scripting in n/a

Medium 6.1 Published Updated

Cross-site scripting in MyBB IP History Logs plugin allows attackers to inject scripts via the useragent field, potentially compromising admin sessions.

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-2019-6979?

CVE-2019-6979 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Jan 2019. 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

An issue was discovered in the User IP History Logs (aka IP_History_Logs) plugin 1.0.2 for MyBB. There is XSS via the admin/modules/tools/ip_history_logs.php useragent field.

Weakness: CWE-79

Which versions are affected by CVE-2019-6979?

It affects 1 product.

Products include Ip History Logs Project Ip History Logs.

How do I fix CVE-2019-6979?

No fix has been published for CVE-2019-6979 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-2019-6979 being exploited?

There is no known exploitation of CVE-2019-6979 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-w3q6-7cqg-7vxc.

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