Description
A vulnerability has been found in Intelliants Subrion CMS up to 4.0.3. Affected by this issue is some unknown functionality of the component Blocks Endpoint. Such manipulation of the argument CSS class name leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Intelliants | Subrion CMS | 4.0.0, 4.0.1, 4.0.2, 4.0.3 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | intelliants/subrion | <= 4.0.3 | — | GHSA-wrcg-234w-hfhq |
References
- VDB-370845 | Intelliants Subrion CMS Blocks Endpoint cross site scripting vdb-entry technical-description
- VDB-370845 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-12202 | CVE Analysis and Report third-party-advisory
- Submit #830013 | Intelliants Subrion CMS 4.0.3 Cross Site Scripting third-party-advisory
- https://karinagante.github.io/cve-2026-12202/ related
- https://karinagante.github.io/cve-2026-12202/#proof-of-concept-poc exploit