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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.

PUBLISHED Reserved 2026-06-14 | Published 2026-06-15 | Updated 2026-06-16 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 2.4CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 2.4CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.3AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

4.0.0
affected

4.0.1
affected

4.0.2
affected

4.0.3
affected

Timeline

2026-06-14:Advisory disclosed
2026-06-14:VulDB entry created
2026-06-16:VulDB entry last update

Credits

Karina Gante (CVE-Hunters) finder

karinagante (VulDB User) reporter

karinagante (VulDB User) analyst

VulDB CNA Team coordinator

References

vuldb.com/vuln/370845 (VDB-370845 | Intelliants Subrion CMS Blocks Endpoint cross site scripting) vdb-entry technical-description

vuldb.com/vuln/370845/cti (VDB-370845 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-12202 (CVE-2026-12202 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/830013 (Submit #830013 | Intelliants Subrion CMS 4.0.3 Cross Site Scripting) third-party-advisory

karinagante.github.io/cve-2026-12202/ related

karinagante.github.io/cve-2026-12202/ exploit

cve.org (CVE-2026-12202)

nvd.nist.gov (CVE-2026-12202)

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