CVE Vulnerability

CVE-2020-21054

Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "f" variable in appvarsvars_textarea.php.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/fusionpbx/fusionpbx/commit/2489004c7b7e0b14e21cd86cedaab87fed209415 Patch Third Party Advisory
https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-21/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:*
Information

Published : 2021-05-20 04:15

Updated : 2021-05-25 08:02

NVD link : CVE-2020-21054

Mitre link : CVE-2020-21054

Products Affected
No products.
CWE
CWE-79