Intelliants Subrion CMS 4.2.1 uploads/.htaccess HTM File cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.0 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Intelliants Subrion CMS 4.2.1. This affects an unknown part of the file uploads/.htaccess. Such manipulation as part of HTM File leads to cross site scripting. This vulnerability is listed as CVE-2018-14840. The attack may be performed from remote. In addition, an exploit is available.
Details
A vulnerability was found in Intelliants Subrion CMS 4.2.1 (Content Management System). It has been rated as problematic. Affected by this issue is an unknown code block of the file uploads/.htaccess. The manipulation as part of a HTM File leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:
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).
The bug was discovered 08/01/2018. The weakness was presented 08/02/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2018-14840 since 08/01/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
The exploit is available at exploit-db.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Exploit-DB (45150). See VDB-122496 and VDB-122495 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.0
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Patch: github.com
Timeline
08/01/2018 🔍08/01/2018 🔍
08/01/2018 🔍
08/02/2018 🔍
08/02/2018 🔍
08/04/2025 🔍
Sources
Advisory: cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47Status: Confirmed
CVE: CVE-2018-14840 (🔍)
GCVE (CVE): GCVE-0-2018-14840
GCVE (VulDB): GCVE-100-122498
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 08/02/2018 07:46Updated: 08/04/2025 15:33
Changes: 08/02/2018 07:46 (59), 06/30/2020 15:07 (4), 04/29/2023 09:58 (5), 08/04/2025 15:33 (20)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.