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Silverstripe Framework has a Cross-site Scripting vulnerability with encoded payload

Moderate severity GitHub Reviewed Published Jul 17, 2024 in silverstripe/silverstripe-framework • Updated Aug 1, 2024

Package

composer silverstripe/framework (Composer)

Affected versions

< 5.2.16

Patched versions

5.2.16

Description

Impact

A bad actor with access to edit content in the CMS could send a specifically crafted encoded payload to the server, which could be used to inject a JavaScript payload on the front end of the site. The payload would be sanitised on the client-side, but server-side sanitisation doesn't catch it.

The server-side sanitisation logic has been updated to sanitise against this type of attack.

References

References

@emteknetnz emteknetnz published to silverstripe/silverstripe-framework Jul 17, 2024
Published to the GitHub Advisory Database Jul 17, 2024
Reviewed Jul 17, 2024
Published by the National Vulnerability Database Jul 17, 2024
Last updated Aug 1, 2024

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
Low
User interaction
None
Scope
Unchanged
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:L/UI:N/S:U/C:L/I:L/A:N

EPSS score

0.045%
(16th percentile)

Weaknesses

CVE ID

CVE-2024-32981

GHSA ID

GHSA-chx7-9x8h-r5mg

Source code

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