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Low

Subrion CMS vulnerable to Cross-site Scripting

  • Disclosed: 15.06.2026
  • Updated: 11.10.2026 10:22

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 software

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PlatformPackageVulnerable versionsFixed in
Composer package intelliants/subrion <= 4.0.3 no fix

References

CVSS score 2.4/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-79
Platform
Composer
Package
intelliants/subrion
Disclosed
15.06.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-wrcg-234w-hfhq - CC BY 4.0

Vulnerability history: intelliants/subrion

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (42) in the archive
Total entries
42
First → latest
06.2021 06.2026
Without a fix
32
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 11
  • Medium 28
  • Low 1

Disclosures per year

Severity:
  1. Subrion CMS vulnerable to Cross-site Scripting this entry
    Low · 2.4 CVE-2026-12202 <= 4.0.3 no fix
  2. Subrion remote command execution vulnerability
    High · 7.2 CVE-2023-46947 <= 4.2.1 no fix
  3. Subrion CMS CSRF Vulnerability
    High · 8.8 CVE-2019-7357 <= 4.2.1 no fix
  4. Subrion CMS Cross-Site Request Forgery (CSRF) vulnerability
    High · 8.1 CVE-2019-20390 = 4.2.1 no fix
  5. Subrion CMS CSV injection via Export Language
    High · 7.8 CVE-2020-12468 = 4.2.1 no fix
  6. Subrion CMS CSRF Vulnerability
    High · 8.8 CVE-2018-21037 < 4.2.1 4.2.1
  7. Subrion CMS CSRF Vulnerability
    High · 8.8 CVE-2017-15063 >= 4.1, < 4.2.0 4.2.0
  8. Subrion CMS PHP Object Injection
    Critical · 9.8 CVE-2017-5543 >= 4.0.5, < 4.1.0 4.1.0
  9. Subrion CMS vulnerable to CSRF in admin/blocks/add
    High · 8.8 CVE-2017-6068 <= 4.0.5 no fix
  10. Subrion CMS vulnerable to CSRF in blog/delete
    High · 8.8 CVE-2017-18366 < 4.2.1 4.2.1
  11. Subrion CMS RCE Vulnerability
    High · 7.2 CVE-2018-19422 < 4.2.2 4.2.2
  12. Remote code execution in Subrion
    High · 8.8 CVE-2021-43464 <= 4.2.1 no fix
  13. Cross Site Request Forgery in intelliants/subrion
    High · 8.8 CVE-2020-18326 <= 4.2.1 no fix
  14. SQL Injection in Subrion CMS
    Critical · 9.8 CVE-2020-18155 <= 4.2.1 no fix

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