CVE-2023-4021 Vulnerability Details

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CVE-2023-4021 Metadata Quick Info

CVE Published: 20/10/2023 | CVE Updated: 02/08/2024 | CVE Year: 2023
Source: Wordfence | Vendor: webnus/ | Product: Modern Events Calendar Lite
Status : PUBLISHED

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CVE-2023-4021 Description

The Modern Events Calendar lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Google API key and Calendar ID in versions up to, but not including, 7.1.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Metrics

CVSS Version: 3.1 | Base Score: 4.4 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

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

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: CWE-79 Improper Neutralization of Input During Web Page Generation ( Cross-site Scripting )
Source: webnus/

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).