VDB-127473 · CVE-2018-19849 · GCVE-0-2018-19849

YzmCMS 5.2 search.html searinfo 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 has been found in YzmCMS 5.2 and classified as problematic. Impacted is an unknown function of the file admin/content/search.html. Performing a manipulation of the argument searinfo as part of Parameter results in cross site scripting. This vulnerability was named CVE-2018-19849. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in YzmCMS 5.2. It has been classified as problematic. This affects an unknown part of the file admin/content/search.html. The manipulation of the argument searinfo as part of a Parameter 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:

An issue was discovered in YzmCMS 5.2. XSS exists via the admin/content/search.html searinfo parameter.

The bug was discovered 11/08/2018. The weakness was presented 12/04/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-19849 since 12/04/2018. It is possible to initiate the attack remotely. A authentication is necessary 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 26 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:admin/content/search.html 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

Name

YzmCMS

Version

License

commercial

Website

Product: https://github.com/yzmcms/yzmcms/

CPE 2.3info

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CPE 2.2info

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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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💳	💳	💳	💳	💳	💳
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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
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

11/08/2018 🔍
12/04/2018 +26 days 🔍
12/04/2018 +0 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
04/17/2020 +499 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2018-19849 (🔍)
GCVE (CVE): GCVE-0-2018-19849
GCVE (VulDB): GCVE-100-127473

Entryinfo

Created: 12/05/2018 08:15
Updated: 04/17/2020 11:44
Changes: 12/05/2018 08:15 (57), 04/17/2020 11:44 (1)
Complete: 🔍
Cache ID: 216:88A:103