CVE-2021-43698 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can execute arbitrary scripts in the victim's browser via a Cross-Site Scripting vulnerability in the example.php file of phpWhois.

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-2021-43698?

CVE-2021-43698 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Nov 2021. 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

phpWhois (last update Jun 30 2021) is affected by a Cross Site Scripting (XSS) vulnerability. In file example.php, the exit function will terminate the script and print the message to the user. The message will contain $_GET['query'] then there is a XSS vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2021-43698?

It affects 1 product.

Products include Phpwhois Project Phpwhois.

How do I fix CVE-2021-43698?

No fix has been published for CVE-2021-43698 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-2021-43698 being exploited?

There is no known exploitation of CVE-2021-43698 in the wild and no public exploit code.

Sources

Also known as GHSA-mg5m-225h-2mpp.

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