CVE-2021-27839

MediumCVSS 4.4/10Last modified Jun 17, 2026

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 4.4/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 3, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-27839: Medium severity, CVSS 4.4 | Vulnix