Advisory Published


First published: Wed Mar 16 2022(Updated: )

The jQuery deserialize library in Fisheye and Crucible before version 4.8.9 allowed remote attackers to to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability.


Affected SoftwareAffected VersionHow to fix
Atlassian Crucible<4.8.9
Atlassian FishEye<4.8.9

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2021-43956.

  • What software products are affected by this vulnerability?

    The Atlassian Crucible and Atlassian FishEye software versions up to 4.8.9 are affected by this vulnerability.

  • What is the severity of CVE-2021-43956?

    The severity of CVE-2021-43956 is medium.

  • How does CVE-2021-43956 allow remote attackers to inject arbitrary HTML and/or JavaScript?

    CVE-2021-43956 allows remote attackers to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability in the jQuery deserialize library.

  • How can I fix CVE-2021-43956?

    To fix CVE-2021-43956, it is recommended to update Fisheye and Crucible to version 4.8.9 or later.


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