CVE-2018-1000521 Cross-site scripting in n/a

Medium 6.1 Published 26 Jun 2018 Updated 5 Aug 2024

Low-privileged users can execute XSS attacks against high-privileged developers in BigTree CMS, potentially leading to account takeover.

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-2018-1000521?

CVE-2018-1000521 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Jun 2018. 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

BigTree-CMS contains a Cross Site Scripting (XSS) vulnerability in /users/create that can result in The low-privileged users can use this vulnerability to attack high-privileged(Developer) users.. This attack appear to be exploitable via no. This vulnerability appears to have been fixed in after commit b652cfdc14d0670c81ac4401ad5a04376745c279.

Weakness: CWE-79

Which versions are affected by CVE-2018-1000521?

It affects 1 product.

Products include Bigtreecms Bigtree Cms.

How do I fix CVE-2018-1000521?

No fix has been published for CVE-2018-1000521 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-2018-1000521 being exploited?

There is no known exploitation of CVE-2018-1000521 in the wild and no public exploit code.

Sources

Also known as GHSA-xp45-33wm-mg9r.