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CVE-2021-21418

Good to know:

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Date: March 31, 2021

ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1

Language: PHP

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-21418
https://github.com/PrestaShop/ps_emailsubscription/releases/tag/v2.6.1
https://packagist.org/packages/prestashop/ps_emailsubscription
https://github.com/PrestaShop/ps_emailsubscription/security/advisories/GHSA-vwfx-hh3w-fj99
https://github.com/PrestaShop/ps_emailsubscription/commit/664ffb225e2afb4a32640bbedad667dc6e660b70
https://www.mend.io/vulnerability-database/CVE-2021-21418

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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