VDB-144028 · CVE-2019-16971 · GCVE-0-2019-16971

FusionPBX up to 4.5.7 messages_thread.php contact_uuid Reflected 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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in FusionPBX up to 4.5.7. Impacted is an unknown function of the file app\messages\messages_thread.php. Executing a manipulation of the argument contact_uuid as part of Variable can lead to cross site scripting (Reflected). This vulnerability appears as CVE-2019-16971. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in FusionPBX up to 4.5.7. This vulnerability affects an unknown part of the file app\messages\messages_thread.php. The manipulation of the argument contact_uuid as part of a Variable leads to a cross site scripting vulnerability (Reflected). 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. CVE summarizes:

In FusionPBX up to 4.5.7, the file app\messages\messages_thread.php uses an unsanitized "contact_uuid" variable coming from the URL, which is reflected on 3 occasions in HTML, leading to XSS.

The weakness was presented 10/22/2019. This vulnerability was named CVE-2019-16971 since 09/29/2019. The attack can be initiated remotely. No form of authentication is required for a successful 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.

By approaching the search of inurl:app\messages\messages_thread.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.

See VDB-144030 and VDB-144029 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

FusionPBX

Version

License

free

Website

Product: https://github.com/fusionpbx/fusionpbx/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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

Name: Reflected
Class: Cross site scripting / Reflected
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: 🔍

Patch: github.com

Timelineinfo

09/29/2019 🔍
10/22/2019 +23 days 🔍
10/23/2019 +1 days 🔍
01/17/2024 +1547 days 🔍

Sourcesinfo

Product: github.com

Advisory: c48a160af53352ad1a43518b7d0faab16b8dfbcc
Status: Not defined

CVE: CVE-2019-16971 (🔍)
GCVE (CVE): GCVE-0-2019-16971
GCVE (VulDB): GCVE-100-144028
See also: 🔍

Entryinfo

Created: 10/23/2019 08:22
Updated: 01/17/2024 14:51
Changes: 10/23/2019 08:22 (38), 10/23/2019 08:27 (17), 01/17/2024 14:51 (5)
Complete: 🔍
Cache ID: 216::103