CVE-2018-10821 Cross-site scripting in n/a

Medium 4.8 Published 14 Jun 2018 Updated 5 Aug 2024

Authenticated admin users can inject arbitrary scripts via the search panel in BlackCat CMS, potentially leading to code execution.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-10821?

CVE-2018-10821 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 Jun 2018. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.

Weakness: CWE-79

Which versions are affected by CVE-2018-10821?

It affects 1 product.

Products include Blackcat-Cms Blackcat Cms.

How do I fix CVE-2018-10821?

No fix has been published for CVE-2018-10821 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-2018-10821 being exploited?

There is no known exploitation of CVE-2018-10821 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-gpfg-wr2w-v6f3.