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CVE-2022-23518

22
FAUCET Score

CVE-2022-23518 is a cross-site scripting (XSS) vulnerability affecting rails-html-sanitizer versions 1.0.3 through 1.4.3 when used with Loofah 2.1.0 or later, impacting various Debian and Ruby on Rails products. With a CVSS score of 6.1 (Medium), this vulnerability can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.3, < 1.4.4CPE matchmatch criteria
cpe:2.3:a:rubyonrails:rails_html_sanitizers:*:*:*:*:*:rails:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
>= 2.1.0, < 2.19.1CPE matchmatch criteria
cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.87%
Probability of exploitation in next 30 days
EPSS Percentile
55.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0087 is in the 65th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.13 for RHEL 8Fixed in: tfm-rubygem-rails-html-sanitizer-0:1.4.4-1.el8sat
View patch
rubygemspatch availablevia ghsa
Product: rails-html-sanitizerFixed in: 1.4.4
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: satellite:el8/rubygem-rails-html-sanitizer
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-zync-container

Vendor Advisories (2)

rubygemsGHSA-mcvf-2q2m-x72mmedium

Improper neutralization of data URIs may allow XSS in rails-html-sanitizer

Dec 13, 2022
redhatCVE-2022-23518Moderate

rubygem-rails-html-sanitizer: Improper neutralization of data URIs leading to Cross site scripting

Dec 13, 2022

References

lists.debian.org / debian-lts-announce/2024/09/msg00045.html
github.com / rails/rails-html-sanitizer/issues/135
ExploitIssue TrackingThird Party Advisory
github.com / rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m
Third Party Advisory
hackerone.com / reports/1694173
Permissions RequiredThird Party Advisory
lists.debian.org / debian-lts-announce/2023/09/msg00012.html
Mailing ListThird Party Advisory