CVE-2023-5076 Ziteboard Online Whiteboard <= 2.9.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via ziteboard Shortcode
Authenticated contributors can inject arbitrary scripts via the ziteboard shortcode, leading to script 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-2023-5076?
CVE-2023-5076 is a medium-severity cross-site scripting vulnerability in Ziteboard Online Whiteboard, published on 7 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Ziteboard Online Whiteboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ziteboard' shortcode in versions up to, and including, 2.9.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, 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-2023-5076?
It affects 1 product.
Products include Ziteboard Ziteboard.
How do I fix CVE-2023-5076?
No fix has been published for CVE-2023-5076 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-2023-5076 being exploited?
There is no known exploitation of CVE-2023-5076 in the wild and no public exploit code.
Sources
Also known as GHSA-h4p3-9fc9-2447.