CVE-2023-44276 Cross-site scripting in n/a

Medium 5.4 Published Updated

An attacker can inject malicious scripts into the OPNsense Lobby Dashboard via the index.php sequence parameter, potentially compromising user sessions.

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-2023-44276?

CVE-2023-44276 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

OPNsense before 23.7.5 allows XSS via the index.php sequence parameter to the Lobby Dashboard.

Weakness: CWE-79

Which versions are affected by CVE-2023-44276?

It affects 1 product.

Products include Opnsense Opnsense.

How do I fix CVE-2023-44276?

No fix has been published for CVE-2023-44276 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-2023-44276 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-44276 exists.

Sources

Also known as GHSA-3m8r-4f2m-v89p.

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