CVE-2021-24468 Leaflet Map < 3.0.0 - Contributor+ Stored XSS

Medium 5.4 Published Updated

Contributors can inject malicious scripts via shortcode attributes in Leaflet Map, leading to stored XSS and potential account takeover.

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-2021-24468?

CVE-2021-24468 is a medium-severity cross-site scripting vulnerability in Unknown Leaflet Map, published on 2 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Leaflet Map WordPress plugin before 3.0.0 does not escape some shortcode attributes before they are used in JavaScript code or HTML, which could allow users with a role as low as Contributors to exploit stored XSS issues

Weakness: CWE-79

Which versions are affected by CVE-2021-24468?

It affects 1 product.

Products include Bozdoz Leaflet Map.

How do I fix CVE-2021-24468?

No fix has been published for CVE-2021-24468 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-2021-24468 being exploited?

There is no known exploitation of CVE-2021-24468 in the wild and no public exploit code.

Sources

Also known as GHSA-9px2-pxx2-vq3x.

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