CVE-2021-38330 Yet Another bol.com Plugin <= 1.4 Reflected Cross-Site Scripting

Medium 6.1 Published Updated

Attackers can inject arbitrary web scripts via reflected PHP_SELF in the Yet Another bol.com WordPress plugin, potentially compromising user sessions.

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-2021-38330?

CVE-2021-38330 is a medium-severity cross-site scripting vulnerability in Yet Another bol.com Plugin, published on 10 Sep 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

The Yet Another bol.com Plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/yabp.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.

Weakness: CWE-79

Which versions are affected by CVE-2021-38330?

It affects 1 product.

Products include Tromit Yabp.

How do I fix CVE-2021-38330?

No fix has been published for CVE-2021-38330 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-2021-38330 being exploited?

There is no known exploitation of CVE-2021-38330 in the wild and no public exploit code.

Sources

Also known as GHSA-996c-c433-w68x.

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