VDB-126455 · CVE-2018-18943 · GCVE-0-2018-18943

BaserCMS up to 4.1.3 edit data[UploaderCategory][name] cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BaserCMS up to 4.1.3. It has been rated as problematic. Affected is an unknown function of the file admin/uploader/uploader_categories/edit. The manipulation of the argument data[UploaderCategory][name] as part of Parameter leads to cross site scripting. This vulnerability is referenced as CVE-2018-18943. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in BaserCMS up to 4.1.3 (Content Management System) and classified as problematic. This issue affects an unknown function of the file admin/uploader/uploader_categories/edit. The manipulation of the argument data[UploaderCategory][name] as part of a Parameter 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. The summary by CVE is:

An issue was discovered in baserCMS before 4.1.4. In the Register New Category feature of the Upload menu, the category name can be used for XSS via the data[UploaderCategory][name] parameter to an admin/uploader/uploader_categories/edit URI.

The bug was discovered 11/05/2018. The weakness was published 11/05/2018 (Website). It is possible to read the advisory at sunu11.com. The identification of this vulnerability is CVE-2018-18943 since 11/05/2018. The attack may be initiated remotely. The successful exploitation requires a simple authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 4.1.4 eliminates this vulnerability.

Similar entry is available at VDB-126454. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Content Management System

Name

BaserCMS

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BaserCMS 4.1.4

Timelineinfo

11/05/2018 🔍
11/05/2018 +0 days 🔍
11/05/2018 +0 days 🔍
11/05/2018 +0 days 🔍
11/05/2018 +0 days 🔍
04/10/2020 +522 days 🔍

Sourcesinfo

Advisory: sunu11.com
Status: Not defined

CVE: CVE-2018-18943 (🔍)
GCVE (CVE): GCVE-0-2018-18943
GCVE (VulDB): GCVE-100-126455
See also: 🔍

Entryinfo

Created: 11/05/2018 15:50
Updated: 04/10/2020 09:21
Changes: 11/05/2018 15:50 (60), 04/10/2020 09:21 (1)
Complete: 🔍
Cache ID: 216::103