CVE-2023-27922 Cross-site scripting in Newsletter

Medium 6.1 Published Updated

Remote unauthenticated attackers can inject arbitrary scripts via a cross-site scripting vulnerability in the Newsletter plugin.

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-2023-27922?

CVE-2023-27922 is a medium-severity cross-site scripting vulnerability in Stefano Lissa & The Newsletter Team Newsletter, published on 23 May 2023. 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

Cross-site scripting vulnerability in Newsletter versions prior to 7.6.9 allows a remote unauthenticated attacker to inject an arbitrary script.

Weakness: CWE-79

Which versions are affected by CVE-2023-27922?

It affects 1 product.

Products include Thenewsletterplugin Newsletter.

How do I fix CVE-2023-27922?

No fix has been published for CVE-2023-27922 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-2023-27922 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27922 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-cfjw-jcv7-35gw.

Is CVE-2023-27922 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free