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CVE-2024-32463

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Date: April 17, 2024

phlex is an open source framework for building object-oriented views in Ruby. There is a potential cross-site scripting (XSS) vulnerability that can be exploited via maliciously crafted user data. The filter to detect and prevent the use of the "javascript:" URL scheme in the "href" attribute of an "<a>" tag could be bypassed with tab "\t" or newline "\n" characters between the characters of the protocol, e.g. "java\tscript:". This vulnerability is fixed in 1.10.1, 1.9.2, 1.8.3, 1.7.2, 1.6.3, 1.5.3, and 1.4.2. Configuring a Content Security Policy that does not allow "unsafe-inline" would effectively prevent this vulnerability from being exploited.

Language: Ruby

Severity Score

Severity Score

Weakness Type (CWE)

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

CWE-79

Improper Neutralization of Alternate XSS Syntax

CWE-87

Top Fix

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Upgrade Version

Upgrade to version phlex - 1.4.2;phlex - 1.6.3;phlex - 1.10.1;phlex - 1.5.3;phlex - 1.9.2;phlex - 1.7.2;phlex - 1.8.3

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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