CVE-2021-39340 Vulnerability Details

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CVE-2021-39340 Metadata Quick Info

CVE Published: 01/11/2021 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: Wordfence | Vendor: Notification – Custom Notifications and Alerts for WordPress | Product: Notification – Custom Notifications and Alerts for WordPress
Status : PUBLISHED

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CVE-2021-39340 Description

The Notification WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/src/classes/Utils/Settings.php file which made it possible for attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 7.2.4. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Metrics

CVSS Version: 3.1 | Base Score: 4.8 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* HIGH
    User Interaction (UI)* REQUIRED
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* LOW
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-79
CWE Name: CWE-79 Cross-site Scripting (XSS)
Source: Notification – Custom Notifications and Alerts for WordPress

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).