CVE-2018-19918 Cross-site scripting in n/a

Medium 5.4 Published 31 Dec 2018 Updated 6 May 2025

Attacker can execute arbitrary scripts via malicious SVG upload in CuppaCMS, potentially compromising user 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-2018-19918?

CVE-2018-19918 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Dec 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

CuppaCMS has XSS via an SVG document uploaded to the administrator/#/component/table_manager/view/cu_views URI.

Weakness: CWE-79

Which versions are affected by CVE-2018-19918?

It affects 1 product.

Products include Cuppacms Cuppacms.

How do I fix CVE-2018-19918?

No fix has been published for CVE-2018-19918 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-2018-19918 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-19918 exists.

Sources

Also known as GHSA-49m7-7r54-4vjp.