CVE-2021-23648 Cross-site Scripting (XSS)

What is CVE-2021-23648?

CVE-2021-23648 is a medium-severity cross-site scripting vulnerability in Fedoraproject Fedora, published on 16 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-79

Which versions are affected by CVE-2021-23648?

2 open source packages ship an affected version, including @braintree/sanitize-url. It affects 2 products.

Products include Fedoraproject Fedora, Paypal Braintree\/Sanitize-Url.

How do I fix CVE-2021-23648?

Upgrade @braintree/sanitize-url to 6.0.0 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-23648 being exploited?

There is no known exploitation of CVE-2021-23648 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2021-23648, GHSA-hqq7-2q2v-82xq, SNYK-JS-BRAINTREESANITIZEURL-2339882, UBUNTU-CVE-2021-23648.