CVE-2022-4833 YourChannel: Everything you want in a YouTube plugin < 1.2.3 - Contributor+ Stored XSS via Shortcode
Contributors can inject malicious scripts via shortcode attributes, potentially compromising admin accounts in the YourChannel WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4833?
CVE-2022-4833 is a medium-severity cross-site scripting vulnerability in Unknown YourChannel: Everything you want in a YouTube plugin., published on 6 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The YourChannel: Everything you want in a YouTube plugin WordPress plugin before 1.2.3 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
Which versions are affected by CVE-2022-4833?
It affects 1 product.
Products include Plugin Yourchannel.
How do I fix CVE-2022-4833?
No fix has been published for CVE-2022-4833 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-2022-4833 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4833 exists.
Other vulnerabilities in Unknown YourChannel: Everything you want in a YouTube plugin.
- CVE-2023-1865 YourChannel <= 1.2.3 - Missing Authorization to Plugin Settings Reset
- CVE-2023-1868 YourChannel <= 1.2.3 - Missing Authorization to Plugin Cache Reset
- CVE-2023-1869 YourChannel <= 1.2.5 - Authenticated (Administrator+) Stored Cross-Site Scripting
- CVE-2023-1866 YourChannel <= 1.2.4 - Cross-Site Request Forgery to Plugin Channel Reset
- CVE-2023-1867 YourChannel <= 1.2.4 - Cross-Site Request Forgery to Plugin Settings Change
Sources
Also known as GHSA-w5hq-mq5m-5f94.