CVE-2021-23648: Cross-site Scripting (XSS)
Vulnerability summary
CVE-2021-23648 is a medium (CVSS 6.1) vulnerability in fedoraproject fedora. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 16-03-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.
CVSS metrics
6 scores · 5 sources · 2 versions- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:PDiffers
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · NpmEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
1.43%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.43% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (snyk.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
@braintree1 product
- sanitize-url< 6.0.0
Debian1 product
- node-mermaid< 8.14.0+~cs11.4.14-1
Fedoraproject1 product
- fedoraEOL34 | 35 | 36
Paypal1 product
- braintree\/sanitize-url< 6.0.0
Ubuntu1 product
- node-mermaidAll versions (No fix recorded)
5 vendors · 5 products
References
15 links- snyk.io/vuln/SNYK-JS-BRAINTREESANITIZEURL-2339882X Refsource MISCWEBExploitPatchThird Party Advisory
- github.com/braintree/sanitize-url/pull/40X Refsource MISCREPORTWEBIssue TrackingPatchThird Party Advisory
- github.com/braintree/sanitize-url/pull/40/commits/e5afda45d9833682b705f73fc2c1265d34832183X Refsource MISCWEBPatchThird Party Advisory
