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XSS/HTML Injection Vulnerability in Umbraco Preview Badge

Moderate severity GitHub Reviewed Published Jan 21, 2025 in umbraco/Umbraco-CMS • Updated Feb 19, 2025

Package

nuget Umbraco.Cms (NuGet)

Affected versions

>= 10.8.7, < 10.8.8
>= 11.0.0, < 13.5.3
>= 14.0.0, < 14.3.2
>= 15.0.0, < 15.1.2

Patched versions

10.8.8
13.5.3
14.3.2
15.1.2
nuget Umbraco.Cms.Web.Common (NuGet)
>= 11.0.0, < 13.5.3
>= 14.0.0, < 14.3.2
>= 15.0.0, < 15.1.2
>= 10.8.7, < 10.8.8
13.5.3
14.3.2
15.1.2
10.8.8

Description

Impact

Authenticated users are able to exploit an XSS vulnerability when viewing previewed content.

Patches

Will be patched in 10.8.8, 13.5.3, 14.3.2 and 15.1.2.

Workarounds

None available.

References

@AndyButland AndyButland published to umbraco/Umbraco-CMS Jan 21, 2025
Published to the GitHub Advisory Database Jan 21, 2025
Reviewed Jan 21, 2025
Last updated Feb 19, 2025

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
Unchanged
Confidentiality
None
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:U/C:N/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(29th percentile)

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Learn more on MITRE.

CVE ID

CVE-2024-10761

GHSA ID

GHSA-69cg-w8vm-h229

Source code

Credits

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