VDB-127783 · CVE-2018-16635 · GCVE-0-2018-16635

BlackCat CMS 1.3.2 willkommen.php?lang=DE 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BlackCat CMS 1.3.2. It has been classified as problematic. The impacted element is an unknown function of the file willkommen.php?lang=DE. This manipulation causes cross site scripting. This vulnerability appears as CVE-2018-16635. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in BlackCat CMS 1.3.2 (Content Management System). Affected by this vulnerability is an unknown code block of the file willkommen.php?lang=DE. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Blackcat CMS 1.3.2 allows XSS via the willkommen.php?lang=DE page title at backend/pages/modify.php.

The bug was discovered 11/21/2018. The weakness was presented 12/10/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-16635 since 09/06/2018. The attack can be launched remotely. The requirement for exploitation is a single 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 19 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.

See VDB-127784 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Content Management System

Vendor

BlackCat

Name

Version

1.3.2

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

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

09/06/2018 🔍
11/21/2018 +76 days 🔍
12/10/2018 +19 days 🔍
12/10/2018 +0 days 🔍
12/11/2018 +1 days 🔍
04/19/2020 +495 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-16635 (🔍)
GCVE (CVE): GCVE-0-2018-16635
GCVE (VulDB): GCVE-100-127783
See also: 🔍

Entryinfo

Created: 12/11/2018 07:58
Updated: 04/19/2020 15:48
Changes: 12/11/2018 07:58 (58), 04/19/2020 15:48 (1)
Complete: 🔍
Cache ID: 216::103