CVE-2019-16525 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can inject JavaScript via the fill parameter in the WordPress checklist plugin, potentially executing arbitrary code in user sessions.

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-2019-16525?

CVE-2019-16525 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Sep 2019. 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

An XSS issue was discovered in the checklist plugin before 1.1.9 for WordPress. The fill parameter is not correctly filtered in the checklist-icon.php file, and it is possible to inject JavaScript code.

Weakness: CWE-79

Which versions are affected by CVE-2019-16525?

It affects 1 product.

Products include Checklist Checklist.

How do I fix CVE-2019-16525?

No fix has been published for CVE-2019-16525 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-2019-16525 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-16525 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-g59r-2cgx-jg9f.

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