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Security Advisories: GSA_kwCzR0hTQS1tY3ZmLTJxMm0teDcybc4AAwSg
Improper neutralization of data URIs may allow XSS in rails-html-sanitizer
Summary
rails-html-sanitizer >= 1.0.3, < 1.4.4
is vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0
.
Mitigation
Upgrade to rails-html-sanitizer >= 1.4.4
.
Severity
The maintainers have evaluated this as Medium Severity 6.1.
References
- CWE - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (4.9)
- SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg
- https://github.com/rails/rails-html-sanitizer/issues/135
- https://hackerone.com/reports/1694173
Credit
This vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).
Permalink: https://github.com/advisories/GHSA-mcvf-2q2m-x72mJSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tY3ZmLTJxMm0teDcybc4AAwSg
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 1 year ago
Updated: 7 months ago
CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Identifiers: GHSA-mcvf-2q2m-x72m, CVE-2022-23518
References:
- https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
- https://github.com/rails/rails-html-sanitizer/issues/135
- https://github.com/w3c/svgwg/issues/266
- https://hackerone.com/reports/1694173
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
- https://nvd.nist.gov/vuln/detail/CVE-2022-23518
- https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
- https://github.com/advisories/GHSA-mcvf-2q2m-x72m
Affected Packages
rubygems:rails-html-sanitizer
Dependent packages: 30Dependent repositories: 517,903
Downloads: 428,586,794 total
Affected Version Ranges: >= 1.0.3, < 1.4.4
Fixed in: 1.4.4
All affected versions: 1.0.3, 1.0.4, 1.1.0, 1.2.0, 1.3.0, 1.4.0, 1.4.1, 1.4.2, 1.4.3
All unaffected versions: 1.0.0, 1.0.1, 1.0.2, 1.4.4, 1.5.0, 1.6.0