CVE-2022-48345Public exploitNetwork attack vector

Cross-site scripting via incomplete HTML entity canonicalization

Published Feb 24, 2023 · Updated Mar 12, 2025

Cross-site scripting in @braintree/sanitize-url before 6.0.2 allows remote attackers to execute script through entity-encoded URLs. The sanitizeUrl path fails to canonicalize named colon, tab, and newline entities before testing the URL scheme, so an encoded javascript scheme bypasses the invalid-protocol check. Exploitation requires a consuming application to render the sanitized value in HTML and a user to interact with the crafted URL, enabling script execution in that user's browser.

CVSS severity6.1
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in @braintree/sanitize-url before 6.0.2 allows remote attackers to execute script through entity-encoded URLs. The sanitizeUrl path fails to canonicalize named colon, tab, and newline entities before testing the URL scheme, so an encoded javascript scheme bypasses the invalid-protocol check. Exploitation requires a consuming application to render the sanitized value in HTML and a user to interact with the crafted URL, enabling script execution in that user's browser.

The record

CVE
CVE-2022-48345
Published
Feb 24, 2023
Updated
Mar 12, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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