CVE-2022-23518

mediumpriority · track · 24EPSS 0.009 · 60 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.92% (60th) EPSS

CVSS 6.1 · medium

Is it mine?

11 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedruby4.0-rubygem-rails-html-sanitizer-0:1.6.0-1.9.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rails-html-sanitizer-0:1.6.0-1.9.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rails-html-sanitizer-0:1.6.0-1.9.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedruby4.0-rubygem-rails-html-sanitizer-0:1.6.0-1.9.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.6–7.1

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 2.8 · impact 2.7

v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Lsecondary · SUSE Product Security

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79US

affected products (11)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
genua genua genucenter <8.0p5< 8.0p5cert_bundDE
genua genucenter< 8.0p5cert_bundDE
rails rails-html-sanitizer1.0.3, → 1.4.4enisa_euvdEU
Rails Core Team Rails Html Sanitizer1.0.3 → 1.4.4fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.9fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
loofah project loofah2.1.0 → 2.19.1nvdUScpe:2.3:a:loofah_project:loofah:*:*:*:*:*:*:*:*
rubyonrails rails html sanitizers1.0.3 → 1.4.4nvdUScpe:2.3:a:rubyonrails:rails_html_sanitizers:*:*:*:*:*:*:*:*
RubyGems rails-html-sanitizer1.0.3 → 1.4.4osvUSpkg:gem/rails-html-sanitizer

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0266genua genucenter: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2023-02-02csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in genua genucenter ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
WID-SEC-W-2023-1143Red Hat Satellite: Mehrere SchwachstellenDeutsch2023-05-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Satellite ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen, einen Cross-Site-Scripting-Angriff durchzuführen oder einen Denial of Service Zustand herbeizuführen.
openSUSE-SU-2026:10361-1ruby4.0-rubygem-rails-html-sanitizer-1.6.0-1.9 on GA media2026-03-13csaf · suse_csafDE
ruby4.0-rubygem-rails-html-sanitizer-1.6.0-1.9 on GA media
GHSA-mcvf-2q2m-x72mImproper neutralization of data URIs may allow XSS in rails-html-sanitizer2022-12-13ghsa · osvUS
## 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](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N). ## References - [CWE - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (4.9)](https://cwe.mitre.org/data/definitions/79.html) - [SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg](https://github.com/w3c/svgwg/issues/266) - 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).

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv suse_csaf NVD CVE.org MITRE

published 2022-12-14modified 2026-06-17

references (16)

External citations — patches, advisories, analysis.

scry

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