CVE-2021-27839

    Dashboard / Vulnerabilities / CVE-2021-27839

    CVE-2021-27839

    Published: 3 Mar 2021Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://github.com/bigprof-software/online-invoicing-system/releases/tag/4.4, https://www.jinsonvarghese.com/csv-injection-in-online-invoicing-system/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-27839 | CVE-DB