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Cross-site Scripting in kimai/kimai

Critical severity GitHub Reviewed Published Feb 16, 2023 to the GitHub Advisory Database • Updated Feb 23, 2023

Package

composer kimai/kimai (Composer)

Affected versions

< 1.1

Patched versions

1.1

Description

Cross Site Scripting (XSS) vulnerability in kevinpapst kimai2 in /src/Twig/Runtime/MarkdownExtension.php, allows attackers to gain escalated privileges.

References

Published by the National Vulnerability Database Feb 15, 2023
Published to the GitHub Advisory Database Feb 16, 2023
Reviewed Feb 16, 2023
Last updated Feb 23, 2023

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS score

0.221%
(61st percentile)

Weaknesses

CVE ID

CVE-2020-19825

GHSA ID

GHSA-r58m-v5pr-jhhq

Source code

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