CVE-2026-104119 Simple Shopping Cart < 5.2.6 - Admin+ Stored XSS via PayPal API Credentials
Administrators can inject malicious scripts via PayPal settings, leading to code execution or account takeover, particularly in multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-104119?
CVE-2026-104119 is a low-severity cross-site scripting vulnerability in Unknown Simple Shopping Cart, published on 4 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Simple Shopping Cart WordPress plugin before 5.2.6 does not escape some of its settings field values before outputting them on an admin settings page, allowing high-privilege users such as administrators to perform Stored Cross-Site Scripting attacks, which is notably impactful on multisite installations where administrators do not have the unfiltered_html capability.
Weakness: CWE-79
Which versions are affected by CVE-2026-104119?
How do I fix CVE-2026-104119?
No fix has been published for CVE-2026-104119 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-2026-104119 being exploited?
There is no known exploitation of CVE-2026-104119 in the wild and no public exploit code.
Sources
Also known as GHSA-p57v-42f3-wfqr.