advisories

An open API service providing security vulnerability metadata for many open source software ecosystems.

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

Credit

This vulnerability was independently reported by Maciej Piechota (@haqpl) and Mrinmoy Das (@goromlagche).

Permalink: https://github.com/advisories/GHSA-mcvf-2q2m-x72m
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1tY3ZmLTJxMm0teDcybc4AAwSg
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 years ago
Updated: over 1 year 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

EPSS Percentage: 0.00129
EPSS Percentile: 0.48504

Identifiers: GHSA-mcvf-2q2m-x72m, CVE-2022-23518
References: Repository: https://github.com/rails/rails-html-sanitizer
Blast Radius: 34.9

Affected Packages

rubygems:rails-html-sanitizer
Dependent packages: 32
Dependent repositories: 517,903
Downloads: 508,331,044 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, 1.6.1, 1.6.2