CVE-2021-27839
Last modified
CVE-2021-27839 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bigprof | Online Invoicing System | <= 4.3 |
References
- https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.4Release Notes, Third Party Advisory
- https://www.jinsonvarghese.com/csv-injection-in-online-invoicing-system/Third Party Advisory
- https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.4Release Notes, Third Party Advisory
- https://www.jinsonvarghese.com/csv-injection-in-online-invoicing-system/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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