CVE-2023-40053 HTML injection Vulnerability in Serv-U 15.4

Medium 5.0 Published Updated

Authenticated attackers can inject HTML into Serv-U file shares, potentially enabling cross-site scripting attacks against other users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-40053?

CVE-2023-40053 is a medium-severity cross-site scripting vulnerability in Solarwinds Serv-U, published on 6 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been identified within Serv-U 15.4 that allows an authenticated actor to insert content on the file share function feature of Serv-U, which could be used maliciously.

Weakness: CWE-20

Which versions are affected by CVE-2023-40053?

It affects 1 product.

Products include Solarwinds Serv-U.

How do I fix CVE-2023-40053?

No fix has been published for CVE-2023-40053 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-2023-40053 being exploited?

There is no known exploitation of CVE-2023-40053 in the wild and no public exploit code.

All Solarwinds Serv-U vulnerabilities

Sources

Also known as GHSA-7m83-852c-hhv7.

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