CVE-2021-27839 Information

Description

A CSV injection vulnerability found in Online Invoicing System (OIS) 4.3 and below can be exploited by users to perform malicious actions such as redirecting admins to unknown or harmful websites or disclosing other clients’ details that the user did not have access to.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Reference

https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.4 https://www.jinsonvarghese.com/csv-injection-in-online-invoicing-system/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.4