CVE-2025-2966 | ConcreteCMS up to 9.3.9 Content Block save Source cross site scripting
A vulnerability was found in ConcreteCMS up to 9.3.9 and classified as problematic. Affected by this issue is the function Save of the component Content Block Handler. The manipulation of the argument Source leads to cross site scripting.
This vulnerability is handled as CVE-2025-2966. The attack may be launched remotely. Furthermore, there is an exploit available.
The vendor was contacted early about this disclosure but did not respond in any way.