CVE-2021-39308 WooCommerce myghpay Payment Gateway <= 3.0 Reflected Cross-Site Scripting
Attackers can inject arbitrary web scripts via the clientref parameter in the WooCommerce myghpay Payment Gateway plugin, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-39308?
CVE-2021-39308 is a medium-severity cross-site scripting vulnerability in WooCommerce myghpay Payment Gateway, published on 14 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The WooCommerce myghpay Payment Gateway WordPess plugin is vulnerable to Reflected Cross-Site Scripting via the clientref parameter found in the ~/processresponse.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.0.
Weakness: CWE-79
Which versions are affected by CVE-2021-39308?
It affects 1 product.
Products include Woo-Myghpay-Payment-Gateway Project Woo-Myghpay-Payment-Gateway.
How do I fix CVE-2021-39308?
No fix has been published for CVE-2021-39308 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-2021-39308 being exploited?
There is no known exploitation of CVE-2021-39308 in the wild and no public exploit code.
Sources
Also known as GHSA-mpg5-6753-g2p4.