CVE-2021-30203 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary web scripts or HTML via reflected XSS in DzzOffice, 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-2021-30203?

CVE-2021-30203 is a medium-severity cross-site scripting vulnerability in n/a, published on 27 Jun 2023. 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

A reflected cross-site scripting (XSS) vulnerability in the zero parameter of dzzoffice 2.02.1_SC_UTF8 allows attackers to execute arbitrary web scripts or HTML.

Weakness: CWE-79

Which versions are affected by CVE-2021-30203?

It affects 1 product.

Products include Dzzoffice Dzzoffice.

How do I fix CVE-2021-30203?

No fix has been published for CVE-2021-30203 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-2021-30203 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-30203 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-4wgc-vg4p-9q74.

Is CVE-2021-30203 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free