SEMCMS 3.4 Textbox admin/SEMCMS_Main.php 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-$5k0.00

Summaryinfo

A vulnerability was found in SEMCMS 3.4 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file admin/SEMCMS_Main.php of the component Textbox Handler. The manipulation results in cross site scripting. This vulnerability is known as CVE-2018-18744. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in SEMCMS 3.4. It has been classified as problematic. Affected is an unknown code of the file admin/SEMCMS_Main.php of the component Textbox Handler. The manipulation 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. CVE summarizes:

An XSS issue was discovered in SEMCMS 3.4 via the fifth text box to the admin/SEMCMS_Main.php URI.

The bug was discovered 10/25/2018. The weakness was published 10/28/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-18744 since 10/27/2018. It is possible to launch the attack remotely. A authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin/SEMCMS_Main.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.

Similar entries are available at VDB-126061, VDB-126059, VDB-126058 and VDB-126057. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

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

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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2018 🔍
10/27/2018 +1 days 🔍
10/28/2018 +2 days 🔍
10/29/2018 +0 days 🔍
10/29/2018 +0 days 🔍
04/07/2020 +526 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-18744 (🔍)
GCVE (CVE): GCVE-0-2018-18744
GCVE (VulDB): GCVE-100-126060
See also: 🔍

Entryinfo

Created: 10/29/2018 16:41
Updated: 04/07/2020 11:11
Changes: 10/29/2018 16:41 (57), 04/07/2020 11:11 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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