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CVE-2020-9444

Good to know:

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Date: April 28, 2020

Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality.

Language: PHP

Severity Score

Related Resources (3)

https://blog.zulip.org/2020/04/01/zulip-server-2-1-3-security-release/
https://nvd.nist.gov/vuln/detail/CVE-2020-9444
https://www.mend.io/vulnerability-database/CVE-2020-9444

Severity Score

Weakness Type (CWE)

Improper Restriction of Rendered UI Layers or Frames

CWE-1021

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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