XSS in Bigprof Online Invoicing System
CVE-2021-21260
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (45.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.
Affected products
- Bigprof Online_invoicing_system — versions 4.0
- Bigprof-software Online-invoicing-system — versions = 4.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21260?
- CVE-2021-21260 is a high-severity vulnerability in Bigprof Online Invoicing System, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-01-22.
- How severe is CVE-2021-21260?
- High severity. CVSS v3 base score is 7.6 out of 10.