CVE-2026-112249 grandnode grandnode2 Product Description Product.Layout.Simple.cshtml Html.Raw cross site scripting
Remote attackers can execute arbitrary scripts via cross-site scripting in the product description handler of grandnode2.
- 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-2026-112249?
CVE-2026-112249 is a medium-severity cross-site scripting vulnerability in grandnode2, published on 19 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in grandnode grandnode2 up to 2.3.0. Affected is the function Html.Raw of the file src/Web/Grand.Web/Views/Product/Product.Layout.Simple.cshtml of the component Product Description Handler. The manipulation results in cross site scripting. The attack can be launched remotely. Upgrading to version 2.4.0-beta and 2.4.0 is able to address this issue. The patch is identified as 41a8e349eab8d9641cf6ea800d738f2d8991ca22. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure.
Which versions are affected by CVE-2026-112249?
How do I fix CVE-2026-112249?
No fix has been published for CVE-2026-112249 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-2026-112249 being exploited?
There is no known exploitation of CVE-2026-112249 in the wild and no public exploit code.
Sources
Also known as GHSA-cvpg-48r9-fq67, GHSA-vxcv-8gxv-hggx.