Description
Cross-site scripting (XSS) vulnerability in lib/rails/html/scrubbers.rb in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and 5.x allows remote attackers to inject arbitrary web script or HTML via a crafted CDATA node.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ruby-rails-html-sanitizer | 1.0.3-1 | — |
| Debian 13 | ruby-rails-html-sanitizer | 1.0.3-1 | — |
| Debian 12 | ruby-rails-html-sanitizer | 1.0.3-1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | portus | 2.0.3-2.4 | SUSE-SU-2016:1146-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Enterprise Storage 2.1 | rubygem-rails-html-sanitizer | 1.0.2-7.1 | SUSE-SU-2016:0391-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ruby3.2-rubygem-rails-html-sanitizer | 1.5.0-2.1 | openSUSE-SU-2024:13137-1 |
| openSUSE Tumbleweed | rubygem-rails-html-sanitizer | 1.4.3-1.1 | openSUSE-SU-2026:10361-1, openSUSE-SU-2025:15125-1, openSUSE-SU-2024:14175-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | rails-html-sanitizer | < 1.0.3 | 1.0.3 | GHSA-ghqm-pgxj-37gq |
Advisories 8
- WID-SEC-2025-1085 Ruby on Rails: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 17, 2026
- openSUSE-SU-2026:10361-1 ruby4.0-rubygem-rails-html-sanitizer-1.6.0-1.9 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026
- openSUSE-SU-2024:14175-1 ruby3.3-rubygem-rails-html-sanitizer-1.6.0-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:15125-1 ruby3.4-rubygem-rails-html-sanitizer-1.6.0-1.7 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1146-1 Security update for portus SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13137-1 ruby3.2-rubygem-rails-html-sanitizer-1.5.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12145-1 ruby3.1-rubygem-rails-html-sanitizer-1.4.3-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0391-1 Security update for rubygem-rails-html-sanitizer SUSE / openSUSE Security Updates · Feb 4, 2026
References
- [rubyonrails-security] 20160125 [CVE-2015-7580] Possible XSS vulnerability in rails-html-sanitizer mailing-list
- SUSE-SU-2016:1146 vendor-advisory
- [oss-security] 20160125 [CVE-2015-7580] Possible XSS vulnerability in rails-html-sanitizer mailing-list
- 1034816 vdb-entry
- https://github.com/rails/rails-html-sanitizer/commit/63903b0eaa6d2a4e1c91bc86008256c4c8335e78
- SUSE-SU-2016:0391 vendor-advisory
- openSUSE-SU-2016:0356 vendor-advisory