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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-23648

23
FAUCET Score

CVE-2021-23648 is a Cross-site Scripting (XSS) vulnerability in the sanitizeUrl function of the @braintree/sanitize-url package, affecting versions prior to 6.0.0, including products from fedoraproject and paypal. 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 low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.0.0CPE matchmatch criteria
cpe:2.3:a:paypal:braintree\/sanitize-url:*:*:*:*:*:node.js:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 82nd percentile among its peer group of 26,234 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

No media coverage found for this CVE.

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 (9)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @braintree/sanitize-urlFixed in: 6.0.0
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: grafana-0:7.5.15-3.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.11Fixed in: openshift4/ose-grafana:v4.11.0-202208020235.p0.g6773185.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: grafana-0:7.5.15-3.el8
View patch
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-apicast-operator-bundle-container
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: 3scale-apicast-operator-container
redhatend of lifevia redhat_api
Product: OpenShift Service Mesh 2.1Fixed in: servicemesh-grafana
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 5Fixed in: rhceph/rhceph-5-dashboard-rhel8

Vendor Advisories (2)

npmGHSA-hqq7-2q2v-82xqmedium

Cross-site Scripting in sanitize-url

Mar 17, 2022
redhatCVE-2021-23648Moderate

sanitize-url: XSS due to improper sanitization in sanitizeUrl function

Feb 22, 2022

References

github.com / braintree/sanitize-url/blob/main/src/index.ts%23L11
Broken Link
github.com / braintree/sanitize-url/pull/40
Issue TrackingPatchThird Party Advisory
github.com / braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183
PatchThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2PFW6Q2LXXWTFRTMTRN4ZGADFRQPKJ3D
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/36GUEPA5TPSC57DZTPYPBL6T7UPQ2FRH
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/HLAQRRGNSO5MYCPAXGPH2OCSHOGHSQMQ
snyk.io / vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882
ExploitPatchThird Party Advisory