CVE-2022-4837 CPO Companion < 1.1.0 - Contributor+ Stored XSS via Shortcode
Contributors can inject malicious scripts via shortcode attributes, potentially compromising admin accounts in CPO Companion 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-2022-4837?
CVE-2022-4837 is a medium-severity cross-site scripting vulnerability in Unknown CPO Companion, published on 30 Jan 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 CPO Companion WordPress plugin before 1.1.0 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.
Weakness: CWE-79
Which versions are affected by CVE-2022-4837?
It affects 1 product.
Products include Machothemes Cpo Companion.
How do I fix CVE-2022-4837?
No fix has been published for CVE-2022-4837 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-2022-4837 being exploited?
There is no known exploitation of CVE-2022-4837 in the wild and no public exploit code.
Other vulnerabilities in Unknown CPO Companion
Sources
Also known as GHSA-37v2-887x-rc5j.