CVE-2021-23648

Name: CVE-2021-23648
Creator: NVD / NIST
Published: 2022-03-16T16:15:10.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2021-23648 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.42%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Paypal	Braintree\/Sanitize-Url	< 6.0.0
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36

References

https://github.com/braintree/sanitize-url/blob/main/src/index.ts%23L11Broken Link
https://github.com/braintree/sanitize-url/pull/40Issue Tracking, Patch, Third Party Advisory
https://github.com/braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PFW6Q2LXXWTFRTMTRN4ZGADFRQPKJ3D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36GUEPA5TPSC57DZTPYPBL6T7UPQ2FRH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLAQRRGNSO5MYCPAXGPH2OCSHOGHSQMQ/
https://snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882Exploit, Patch, Third Party Advisory
https://github.com/braintree/sanitize-url/blob/main/src/index.ts%23L11Broken Link
https://github.com/braintree/sanitize-url/pull/40Issue Tracking, Patch, Third Party Advisory
https://github.com/braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PFW6Q2LXXWTFRTMTRN4ZGADFRQPKJ3D/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36GUEPA5TPSC57DZTPYPBL6T7UPQ2FRH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLAQRRGNSO5MYCPAXGPH2OCSHOGHSQMQ/
https://snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882Exploit, Patch, Third Party Advisory

Timeline

Published: Mar 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23648?

The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.

How severe is CVE-2021-23648?

CVE-2021-23648 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23648?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23648?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST