CVE-2022-48013 Cross-site scripting in n/a

Medium 5.4 Published 27 Jan 2023 Updated 28 Mar 2025

Attackers can inject malicious scripts into calendar fields in OpenCATS, potentially executing code or stealing sessions.

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-2022-48013?

CVE-2022-48013 is a medium-severity cross-site scripting vulnerability in n/a, published on 27 Jan 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Opencats v0.9.7 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the component /opencats/index.php?m=calendar. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Description or Title text fields.

Weakness: CWE-79

Which versions are affected by CVE-2022-48013?

It affects 1 product.

Products include Opencats Opencats.

How do I fix CVE-2022-48013?

No fix has been published for CVE-2022-48013 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-2022-48013 being exploited?

There is no known exploitation of CVE-2022-48013 in the wild and no public exploit code.

Sources

Also known as GHSA-99m4-7q95-gx47.