CVE-2026-12202
Intelliants Subrion CMS Blocks Endpoint cross site scripting
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 4.8EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
15 Jun 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
Intelliants · Subrion CMSpublic PoCs found — 1
cve_referencekarinagante.github.io/cve-2026-12202/#proof-of-concept-pocunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.