CVE-2023-4919 iframe <= 4.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'iframe' Shortcode
Authenticated attackers can inject arbitrary web scripts via the iframe shortcode, leading to stored XSS execution on victim pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4919?
CVE-2023-4919 is a medium-severity cross-site scripting vulnerability in webvitaly iframe, published on 20 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The iframe plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `iframe` shortcode in versions up to, and including, 4.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permission and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This was partially patched in version 4.6 and fully patched in version 4.7.
Weakness: CWE-79
Which versions are affected by CVE-2023-4919?
It affects 1 product.
Products include Iframe Project Iframe.
How do I fix CVE-2023-4919?
No fix has been published for CVE-2023-4919 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-2023-4919 being exploited?
There is no known exploitation of CVE-2023-4919 in the wild and no public exploit code.
Other vulnerabilities in webvitaly iframe
Sources
Also known as GHSA-fhx9-p329-4x23.