CVEvulnerability
CVE-2021-21260
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-01-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• bigprof online invoicing system 4.0
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2 Third Party Advisory
- https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4 Exploit, Third Party Advisory
- https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.2 Third Party Advisory
- https://github.com/bigprof-software/online-invoicing-system/security/advisories/GHSA-rm79-5596-r7q4 Exploit, Third Party Advisory