Let's PHP! Simple Chat prior 2016-08-15 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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Let's PHP! Simple Chat. It has been declared as problematic. This impacts an unknown function. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2016-4851. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Let's PHP! Simple Chat (Chat Software). It has been rated as problematic. Affected by this issue is some unknown processing. 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 confidentiality, and integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in Let's PHP! simple chat before 2016-08-15 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The weakness was shared 09/02/2016 by Yuji Tounai with NTT Communications (Website). The advisory is available at jvn.jp. This vulnerability is handled as CVE-2016-4851 since 05/17/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2016-08-15 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92597†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Chat Software

Vendor

• Let's PHP!

Name

• Simple Chat

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Upgrade
Status: 🔍
Upgrade: Simple Chat 2016-08-15

Timelineinfo

05/17/2016 🔍
08/23/2016 +98 days 🔍
09/01/2016 +9 days 🔍
09/02/2016 +1 days 🔍
09/02/2016 +0 days 🔍
04/06/2019 +946 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Yuji Tounai
Organization: NTT Communications
Status: Not defined

CVE: CVE-2016-4851 (🔍)
GCVE (CVE): GCVE-0-2016-4851
GCVE (VulDB): GCVE-100-91034
SecurityFocus: 92597 - Simple Chat CVE-2016-4851 Unspecified Cross-Site Scripting Vulnerability

Entryinfo

Created: 09/02/2016 11:09
Updated: 04/06/2019 20:28
Changes: 09/02/2016 11:09 (48), 04/06/2019 20:28 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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