CVE-2023-5063 Widget Responsive for Youtube <= 1.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated contributors can inject arbitrary scripts via the youtube shortcode, leading to stored XSS execution for other users.
- 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-2023-5063?
CVE-2023-5063 is a medium-severity cross-site scripting vulnerability in stefanoai Widget Responsive for Youtube, published on 20 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Widget Responsive for Youtube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube' shortcode in versions up to, and including, 1.6.1 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-2023-5063?
It affects 1 product.
Products include Stefanoai Widget Responsive for Youtube.
How do I fix CVE-2023-5063?
No fix has been published for CVE-2023-5063 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-2023-5063 being exploited?
There is no known exploitation of CVE-2023-5063 in the wild and no public exploit code.
Sources
Also known as GHSA-5878-q7p8-7vvw.