CVE-2026-11975 Stored Cross-Site Scripting (XSS) in SimplCommerce News Module Admin Interface
An authenticated administrator can inject arbitrary JavaScript into news content fields, leading to stored XSS attacks against other users.
- 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-2026-11975?
CVE-2026-11975 is a medium-severity cross-site scripting vulnerability in SimplCommerce, published on 17 Jun 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Stored cross-site scripting (XSS) in NewsItemApiController In SimplCommerce prior to commit 6142d3b5 allows an authenticated administrator to execute arbitrary JavaScript via the ShortContent and FullContent fields, which are stored without HTML sanitization and rendered unencoded via @Html.Raw()
Weakness: CWE-79
Which versions are affected by CVE-2026-11975?
How do I fix CVE-2026-11975?
No fix has been published for CVE-2026-11975 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-2026-11975 being exploited?
There is no known exploitation of CVE-2026-11975 in the wild and no public exploit code.
Sources
Also known as GHSA-fq85-g72w-pjwj.