CVE-2022-43708 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can inject malicious HTML via crafted file names in the post attachments interface, potentially leading to session hijacking or code execution.

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-2022-43708?

CVE-2022-43708 is a medium-severity cross-site scripting vulnerability in Mybb Mybb, published on 21 Nov 2022. 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

MyBB 1.8.31 has a (issue 2 of 2) cross-site scripting (XSS) vulnerabilities in the post Attachments interface allow attackers to inject HTML by persuading the user to upload a file with specially crafted name

Weakness: CWE-79

Which versions are affected by CVE-2022-43708?

It affects 1 product.

Products include Mybb Mybb.

How do I fix CVE-2022-43708?

No fix has been published for CVE-2022-43708 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-2022-43708 being exploited?

There is no known exploitation of CVE-2022-43708 in the wild and no public exploit code.

All Mybb Mybb vulnerabilities

Sources

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