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CVE-2014-4920

Good to know:

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Date: August 19, 2025

The twitter-bootstrap-rails Gem for Rails contains a flaw that enables a reflected cross-site scripting (XSS) attack. This flaw exists because the bootstrap_flash helper method does not validate input when handling flash messages before returning it to users

Language: Ruby

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2014-4920
https://nvisium.com/blog/2014/03/28/reflected-xss-vulnerability-in-twitter
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/twitter-bootstrap-rails/CVE-2014-4920.yml
https://www.mend.io/vulnerability-database/CVE-2014-4920

Severity Score

Weakness Type (CWE)

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

CWE-79

Top Fix

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Upgrade to version twitter-bootstrap-rails - 3.2.0

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CVSS v3.1

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

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