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Cross Site Scripting (XSS) in Serenity

Moderate severity GitHub Reviewed Published Apr 27, 2023 to the GitHub Advisory Database • Updated Nov 4, 2023

Package

nuget Serenity.Net.Core (NuGet)

Affected versions

< 6.7.0

Patched versions

6.7.0
nuget Serenity.Net.Services (NuGet)
< 6.7.0
6.7.0

Description

An XSS issue was discovered in Serenity Serene (and StartSharp) before 6.7.0. When users upload temporary files, some specific file endings are not allowed, but it is possible to upload .html or .htm files containing an XSS payload. The resulting link can be sent to an administrator user.

References

Published by the National Vulnerability Database Apr 27, 2023
Published to the GitHub Advisory Database Apr 27, 2023
Reviewed Apr 27, 2023
Last updated Nov 4, 2023

Severity

Moderate

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
Low
Integrity
Low
Availability
None

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:L/I:L/A:N

EPSS score

0.099%
(42nd percentile)

Weaknesses

CVE ID

CVE-2023-31285

GHSA ID

GHSA-93h6-wx7r-mgfp

Source code

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