CVE-2021-46558 Cross-site scripting in n/a

Medium 5.4 Published Updated

Attackers can execute arbitrary scripts in Issabel PBX via XSS in the Add User module, potentially leading to session hijacking or malicious actions.

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-2021-46558?

CVE-2021-46558 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Feb 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Multiple cross-site scripting (XSS) vulnerabilities in the Add User module of Issabel PBX 20200102 allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the username and password fields.

Weakness: CWE-79

Which versions are affected by CVE-2021-46558?

It affects 1 product.

Products include Issabel Pbx.

How do I fix CVE-2021-46558?

No fix has been published for CVE-2021-46558 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-2021-46558 being exploited?

There is no known exploitation of CVE-2021-46558 in the wild and no public exploit code.

Sources

Also known as GHSA-mq49-c9jr-f8ch.

Is CVE-2021-46558 in your software?

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