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Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Pay

High severity GitHub Reviewed Published Apr 19, 2023 in pay-rails/pay • Updated Nov 9, 2023

Package

bundler pay (RubyGems)

Affected versions

< 6.3.2

Patched versions

6.3.2

Description

Impact

A payments info page of Pay is susceptible to reflected Cross-site scripting. An attacker could create a working URL that renders a javascript link to a user on a Rails application that integrates Pay. This URL could be distributed via email to specifically target certain individuals. If the targeted application contains a functionality to submit user-generated content (such as comments) the attacker could even distribute the URL using that functionality.

Patches

This has been patched in version 6.3.2 and above.

Pay will now sanitize the back parameter and only permit relative paths.

References

@excid3 excid3 published to pay-rails/pay Apr 19, 2023
Published by the National Vulnerability Database Apr 19, 2023
Published to the GitHub Advisory Database Apr 20, 2023
Reviewed Apr 20, 2023
Last updated Nov 9, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS score

0.086%
(38th percentile)

Weaknesses

CVE ID

CVE-2023-30614

GHSA ID

GHSA-cqf3-vpx7-rxhw

Source code

Credits

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