SEMCMS 3.4 SEMCMS_Link.php?lgid=1 cross site scripting

CVSS Meta Temp Score
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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.
3.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in SEMCMS 3.4. The impacted element is an unknown function of the file admin/SEMCMS_Link.php?lgid=1. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2018-18740. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SEMCMS 3.4. Affected by this issue is an unknown function of the file admin/SEMCMS_Link.php?lgid=1. The manipulation with an unknown input 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:

An XSS issue was discovered in SEMCMS 3.4 via the first input field to the admin/SEMCMS_Link.php?lgid=1 URI.

The bug was discovered 10/25/2018. The weakness was released 10/28/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-18740 since 10/27/2018. The attack may be launched remotely. The successful exploitation requires a simple authentication. 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.

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

Entries connected to this vulnerability are available at VDB-126060, VDB-126059, VDB-126058 and VDB-126057. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

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-2018-18740 (🔍)
GCVE (CVE): GCVE-0-2018-18740
GCVE (VulDB): GCVE-100-126056
See also: 🔍

Entryinfo

Created: 10/29/2018 16:40
Updated: 04/07/2020 10:51
Changes: 10/29/2018 16:40 (56), 04/07/2020 10:51 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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