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CVE-2022-23518

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Date: December 14, 2022

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.

Language: Ruby

Severity Score

Related Resources (10)

https://hackerone.com/reports/1694173
https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
https://github.com/rails/rails-html-sanitizer
https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
https://github.com/w3c/svgwg/issues/266
https://nvd.nist.gov/vuln/detail/CVE-2022-23518
https://security-tracker.debian.org/tracker/CVE-2022-23518
https://github.com/rails/rails-html-sanitizer/issues/135
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
https://www.mend.io/vulnerability-database/CVE-2022-23518

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 rails-html-sanitizer - 1.4.4

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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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