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Reflected XSS in SilverStripe

Moderate severity GitHub Reviewed Published Feb 24, 2020 to the GitHub Advisory Database • Updated Feb 6, 2024

Package

composer silverstripe/framework (Composer)

Affected versions

>= 4.5.0, < 4.5.2
>= 4.0.0, < 4.4.5

Patched versions

4.5.2
4.4.5

Description

SilverStripe through 4.4.x before 4.4.5 and 4.5.x before 4.5.2 allows Reflected XSS on the login form and custom forms. Silverstripe Forms allow malicious HTML or JavaScript to be inserted through non-scalar FormField attributes, which allows performing XSS (Cross-Site Scripting) on some forms built with user input (Request data). This can lead to phishing attempts to obtain a user&#39;s credentials or other sensitive user input.

References

Published by the National Vulnerability Database Feb 17, 2020
Reviewed Feb 18, 2020
Published to the GitHub Advisory Database Feb 24, 2020
Last updated Feb 6, 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
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

0.078%
(35th percentile)

Weaknesses

CVE ID

CVE-2019-19325

GHSA ID

GHSA-qvrv-2x7x-78x2

Source code

No known source code
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