CVE-2020-9459

Modern Events Calendar Lite <= 5.1.6 - Missing Authorization to Stored Cross-Site Scripting and Settings Update

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite plugin through 5.1.6 for WordPress allows remote authenticated users (with minimal permissions) to inject arbitrary JavaScript, HTML, or CSS via Ajax actions. This affects mec_save_notifications and import_settings.

Múltiples vulnerabilidades de tipo Cross-site scripting (XSS) Almacenado en el plugin Webnus Modern Events Calendar Lite versiones hasta 5.1.6 para WordPress, permite a usuarios autentificados remotos (con permisos mínimos) inyectar JavaScript, HTML o CSS arbitrario por medio de acciones de Ajax. Esto afecta a mec_save_notifications y import_settings.

*Credits: Ram,Sean Murphy,Matt Rusnak

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-02-27 CVE Published
2020-02-28 CVE Reserved
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://wpvulndb.com/vulnerabilities/10100	2024-08-04
https://www.wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-zero-day-vulnerabilities	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Webnus Search vendor "Webnus"		Modern Events Calendar Lite Search vendor "Webnus" for product "Modern Events Calendar Lite"				<= 5.1.6 Search vendor "Webnus" for product "Modern Events Calendar Lite" and version " <= 5.1.6"		wordpress		Affected