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Potential XSS injection in the newsletter conditions field

Moderate severity GitHub Reviewed Published Mar 31, 2021 in PrestaShop/ps_emailsubscription • Updated Feb 1, 2023

Package

composer prestashop/ps_emailsubscription (Composer)

Affected versions

< 2.6.1

Patched versions

2.6.1

Description

Impact

An employee can inject javascript in the newsletter condition field that will then be executed on the front office

Patches

The issue has been fixed in 2.6.1

References

@atomiix atomiix published to PrestaShop/ps_emailsubscription Mar 31, 2021
Reviewed Mar 31, 2021
Published by the National Vulnerability Database Mar 31, 2021
Published to the GitHub Advisory Database Apr 6, 2021
Last updated Feb 1, 2023

Severity

Moderate

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
Low
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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:L/UI:R/S:U/C:L/I:L/A:N

EPSS score

0.073%
(34th percentile)

Weaknesses

CVE ID

CVE-2021-21418

GHSA ID

GHSA-vwfx-hh3w-fj99

Source code

No known source code
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