CVE-2021-21260 Information

Description

Online Invoicing System (OIS) is open source software which is a lean invoicing system for small businesses consultants and freelancers created using AppGini. In OIS version 4.0 there is a stored XSS which can enables an attacker takeover of the admin account through a payload that extracts a csrf token and sends a request to change password. It has been found that Item description is reflected without sanitization in app/items_view.php which enables the malicious scenario.

CVSS Vector

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

Reference

https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2 https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4