CVE-2021-27330 Cross-site scripting in n/a

Medium 6.1 Published Updated

Cross-site scripting in Triconsole Datepicker Calendar allows attackers to steal authentication cookies and access sensitive user data.

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-2021-27330?

CVE-2021-27330 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Feb 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

Triconsole Datepicker Calendar <3.77 is affected by cross-site scripting (XSS) in calendar_form.php. Attackers can read authentication cookies that are still active, which can be used to perform further attacks such as reading browser history, directory listings, and file contents.

Weakness: CWE-79

Which versions are affected by CVE-2021-27330?

It affects 1 product.

Products include Triconsole Datepicker Calendar.

How do I fix CVE-2021-27330?

No fix has been published for CVE-2021-27330 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-2021-27330 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-27330 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-mgjr-p4gg-pwhx.

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