CVE-2026-12202: Intelliants Subrion CMS Blocks Endpoint cross site scripting

Severity: low (CVSS 2.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-15 · updated 2026-07-24
Weakness: CWE-79

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

Intelliants Subrion CMS: 4.0.0, 4.0.1, 4.0.2, 4.0.3

References

https://karinagante.github.io/cve-2026-12202/
https://karinagante.github.io/cve-2026-12202/#proof-of-concept-poc
https://vuldb.com/cve/CVE-2026-12202
https://vuldb.com/submit/830013
https://vuldb.com/vuln/370845
https://vuldb.com/vuln/370845/cti

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