CVE-2023-4841 Feeds for YouTube <= 2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated attackers can inject arbitrary scripts via shortcode, leading to code execution when users view the page.
- 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-2023-4841?
CVE-2023-4841 is a medium-severity cross-site scripting vulnerability in smub Feeds for YouTube (YouTube video, channel, and gallery plugin), published on 14 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2023-4841?
It affects 1 product.
Products include Smashballoon Feeds for Youtube.
How do I fix CVE-2023-4841?
No fix has been published for CVE-2023-4841 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-2023-4841 being exploited?
There is no known exploitation of CVE-2023-4841 in the wild and no public exploit code.
Other vulnerabilities in smub Feeds for YouTube (YouTube video, channel, and gallery plugin)
Sources
Also known as GHSA-f85p-h3c4-wqvr.