uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file…
Priority LOW 34CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).
Why it matters now
EPSS 0.03666 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed intelliants/subrion (Packagist): 4.2.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | intelliants/subrion (Packagist) | before 4.2.2 | 4.2.2 | Patch available | GHSA-vhqr-3gr2-7px9 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- intelliants/subrion (Packagist) Vendor— Affected before 4.2.2 Fixed in 4.2.2 Patch available GHSA-vhqr-3gr2-7px9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:intelliants:subrion:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | Intelliants |
- cpe:2.3:a:intelliants:subrion:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Intelliants
Remediation
- Fix · GHSA-vhqr-3gr2-7px9 intelliants/subrion (Packagist) Fixed in 4.2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-14840
- 2026-10-03 Alias added: GHSA-vhqr-3gr2-7px9
References
Exploit 1
Advisory 2
More Intelliants Subrion vulnerabilities
- TI-2024-16725 Subrion CMS 4.2.1 is vulnerable to SQL Injection via ia.core.mysqli.php. CVSS 3.1CRITICAL 9.8
- TI-2023-25347 Subrion 4.2.1 has a remote command execution vulnerability in the backend. CVSS 3.1HIGH 8.8
- TI-2023-23549 A Cross-site scripting (XSS) vulnerability in Reference ID from the panel Transactions… CVSS 3.1MEDIUM 5.4
- TI-2023-23514 A Cross-site scripting (XSS) vulnerability in /panel/configuration/financial/ of Subrion… CVSS 3.1MEDIUM 5.4
- TI-2023-23513 A Cross-site scripting (XSS) vulnerability in /panel/languages/ of Subrion v4.2.1 allow… CVSS 3.1MEDIUM 5.4
- TI-2017-03557 includes/classes/ia.core.users.php in Subrion CMS 4.0.5 allows remote attackers to… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-14840 · CVE Program
- CVE-2018-14840 · NVD
- FIRST EPSS
- GHSA-vhqr-3gr2-7px9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences