CVE-2023-3720 Upload Media By URL < 1.0.8 - Stored XSS via CSRF
Attackers can force admins to upload malicious HTML files via CSRF, leading to stored XSS and potential code execution.
- 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-2023-3720?
CVE-2023-3720 is a medium-severity cross-site scripting vulnerability in Unknown Upload Media By URL, published on 30 Aug 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
The Upload Media By URL WordPress plugin before 1.0.8 does not have CSRF check when uploading files, which could allow attackers to make logged in admins upload files (including HTML containing JS code for users with the unfiltered_html capability) on their behalf.
Which versions are affected by CVE-2023-3720?
It affects 1 product.
Products include Notetoservices Upload Media by Url.
How do I fix CVE-2023-3720?
No fix has been published for CVE-2023-3720 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-2023-3720 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3720 exists.
Sources
Also known as GHSA-v9xx-v54p-m2hw.