CVE-2025-3890 WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Authenticated attackers can inject arbitrary scripts via shortcode, leading to code execution when users view the page.
- 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-2025-3890?
CVE-2025-3890 is a medium-severity cross-site scripting vulnerability in mra13 Simple Shopping Cart, published on 1 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_cart_button' shortcode in all versions up to, and including, 5.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. 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-2025-3890?
It affects 1 product.
Products include Tipsandtricks-Hq Wordpress Simple Paypal Shopping Cart.
How do I fix CVE-2025-3890?
No fix has been published for CVE-2025-3890 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-2025-3890 being exploited?
There is no known exploitation of CVE-2025-3890 in the wild and no public exploit code.
Other vulnerabilities in mra13 Simple Shopping Cart
- CVE-2013-2705 Cross-site request forgery in n/a
- CVE-2025-3874 WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference
- CVE-2022-4672 WordPress Simple Shopping Cart < 4.6.2 - Contributor+ Stored XSS via Shortcode
- CVE-2025-3889 WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference via 'quantity'
- CVE-2023-1431 Information disclosure in WordPress Simple Shopping Cart
Sources
Also known as GHSA-g58j-9633-p589.