CVE-2023-43309 Cross-site scripting in n/a

Medium 4.8 Published Updated

Attackers can inject malicious scripts into Webmin's Cluster Cron Job tab, potentially executing code or taking over accounts.

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

What is CVE-2023-43309?

CVE-2023-43309 is a medium-severity cross-site scripting vulnerability in Webmin Webmin, published on 21 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

There is a stored cross-site scripting (XSS) vulnerability in Webmin 2.002 and below via the Cluster Cron Job tab Input field, which allows attackers to run malicious scripts by injecting a specially crafted payload.

Weakness: CWE-79

Which versions are affected by CVE-2023-43309?

It affects 1 product.

Products include Webmin Webmin.

How do I fix CVE-2023-43309?

No fix has been published for CVE-2023-43309 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-2023-43309 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43309 exists.

All Webmin Webmin vulnerabilities

Sources

Also known as GHSA-hhqv-xv6j-vjp6.

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