CVE-2018-19422
HighPublic exploitSubrion CMS RCE Vulnerability
Published May 13, 2022 · Updated Jul 8, 2026 · Also known as GHSA-73xj-v6gc-g5p5
Key Facts
Patch immediately- CVE-2018-19422 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Subrion CMS (Intelliants), intelliants/subrion (composer).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- Fixed versions are available, including intelliants/subrion 4.2.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-19422 brief as a PDF
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Description
/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Subrion CMSIntelliants | 4.2.1 | n/a |
| intelliants/subrioncomposer | See advisory | 4.2.2 |
Patched Releases
intelliants/subrion
4.2.2
Timeline
Publicly disclosed
May 13, 2022
Last updated
Jul 8, 2026
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryGHSA advisory
- advisoryhttps://github.com/intelliants/subrion/commit/74359bcfaea424edda6d782a8ac25397c55972ab
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2018-19422
- exploithttp://packetstormsecurity.com/files/162591/Subrion-CMS-4.2.1-Shell-Upload.html
- exploithttps://github.com/intelliants/subrion/issues/801
FAQ
Common Questions.
/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.
Affected: Subrion CMS (Intelliants) versions 4.2.1; intelliants/subrion (composer). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including intelliants/subrion 4.2.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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