CVE-2022-23518
MEDIUM6.1EPSS 0.31%Improper neutralization of data URIs may allow XSS in rails-html-sanitizer
Published: 12/13/2022Modified: 4/28/2026
Description
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.
Affected packages (2)
- Debian/ruby-rails-html-sanitizerfrom 0, < 1.3.0-1+deb11u1
- RubyGems/rails-html-sanitizer>= 1.0.3, < 1.4.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-23518
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-23518
- PATCHhttps://github.com/rails/rails-html-sanitizer
- WEBhttps://github.com/rails/rails-html-sanitizer/issues/135
- WEBhttps://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails-html-sanitizer/CVE-2022-23518.yml
- WEBhttps://github.com/w3c/svgwg/issues/266
- WEBhttps://hackerone.com/reports/1694173
- WEBhttps://lists.debian.org/debian-lts-announce/2023/09/msg00012.html
- WEBhttps://lists.debian.org/debian-lts-announce/2024/09/msg00045.html