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CVE-2022-23515

22
FAUCET Score

CVE-2022-23515 is a cross-site scripting (XSS) vulnerability affecting Loofah versions 2.1.0 through 2.19.0, a library for HTML/XML manipulation. The flaw allows attackers to inject malicious scripts via image/svg+xml data URIs, impacting Debian Linux and Loofah projects. Rated Medium severity (CVSS 6.1), it requires user interaction and network access, potentially leading to limited confidentiality and integrity compromise. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 60th 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: satellite:el8/rubygem-loofah-0:2.19.1-1.el8sat
View patch
rubygemspatch availablevia ghsa
Product: loofahFixed in: 2.19.1
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: tfm-rubygem-loofah
redhatend of lifevia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-amp-zync-container

Vendor Advisories (2)

rubygemsGHSA-228g-948r-83gxmedium

Improper neutralization of data URIs may allow XSS in Loofah

Dec 13, 2022
redhatCVE-2022-23515Moderate

rubygem-loofah: Improper neutralization of data URIs leading to Cross Site Scripting

Dec 13, 2022

References

lists.debian.org / debian-lts-announce/2024/09/msg00044.html
github.com / flavorjones/loofah/issues/101
Issue TrackingThird Party Advisory
github.com / flavorjones/loofah/security/advisories/GHSA-228g-948r-83gx
Third Party Advisory
hackerone.com / reports/1694173
Permissions RequiredThird Party Advisory
lists.debian.org / debian-lts-announce/2023/09/msg00011.html
Mailing ListThird Party Advisory