VDB-117161 · CVE-2018-6518 · GCVE-0-2018-6518

Composr CMS 10.0.13 /adminzone/index.php site_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.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Composr CMS 10.0.13. Affected by this vulnerability is an unknown functionality of the file /adminzone/index.php. The manipulation of the argument site_name as part of Parameter leads to cross site scripting. This vulnerability is documented as CVE-2018-6518. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Composr CMS 10.0.13 (Content Management System). It has been rated as problematic. This issue affects some unknown functionality of the file /adminzone/index.php. The manipulation of the argument site_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:

Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php.

The bug was discovered 04/25/2018. The weakness was released 04/26/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-6518 since 02/01/2018. The attack may be initiated remotely. A simple authentication is required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:adminzone/index.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Content Management System

Vendor

Composr

Name

Version

10.0.13

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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
Google Hack: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/2018 🔍
04/25/2018 +83 days 🔍
04/26/2018 +0 days 🔍
04/26/2018 +0 days 🔍
04/27/2018 +1 days 🔍
03/07/2023 +1775 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-6518 (🔍)
GCVE (CVE): GCVE-0-2018-6518
GCVE (VulDB): GCVE-100-117161

Entryinfo

Created: 04/27/2018 08:48
Updated: 03/07/2023 22:12
Changes: 04/27/2018 08:48 (44), 02/01/2020 07:07 (7), 03/07/2023 22:12 (13)
Complete: 🔍
Cache ID: 216::103