VDB-98523 · CVE-2017-7256 · BID 97204

CMS Made Simple 2.1.6 m1_summary 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 (≈)
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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.
4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in CMS Made Simple 2.1.6. It has been classified as problematic. The impacted element is an unknown function. Performing a manipulation of the argument m1_summary results in cross site scripting. This vulnerability was named CVE-2017-7256. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in CMS Made Simple 2.1.6 (Content Management System). This affects an unknown code block. The manipulation of the argument m1_summary with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

XSS exists in the CMS Made Simple (CMSMS) 2.1.6 "Content-->News-->Add Article" feature via the m1_summary parameter. Someone must login to conduct the attack.

The bug was discovered 03/08/2017. The weakness was presented 03/24/2017 (Website). It is possible to read the advisory at 03i0.com. This vulnerability is uniquely identified as CVE-2017-7256 since 03/24/2017. It is possible to initiate the attack remotely. The requirement for exploitation is a 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.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k.

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 SecurityFocus (BID 97204†). See VDB-98524 and VDB-98522 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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OpenVAS ID: 103332
OpenVAS Name: CMS Made Simple Multiple XSS Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/08/2017 🔍
03/24/2017 +16 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
03/24/2017 +0 days 🔍
12/30/2019 +1011 days 🔍

Sourcesinfo

Advisory: 03i0.com
Status: Not defined

CVE: CVE-2017-7256 (🔍)
GCVE (CVE): GCVE-0-2017-7256
GCVE (VulDB): GCVE-100-98523
SecurityFocus: 97204 - CMS Made Simple CVE-2017-7256 Cross-Site Scripting Vulnerability

See also: 🔍

Entryinfo

Created: 03/24/2017 19:02
Updated: 12/30/2019 07:23
Changes: 03/24/2017 19:02 (63), 12/30/2019 07:23 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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