CVE-2021-24925

Modern Events Calendar Lite < 6.1.5 - Reflected Cross-Site Scripting

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

El plugin Modern Events Calendar Lite de WordPress versiones anteriores a 6.1.5, no sanea ni escapa del parámetro current_month_divider de su llamada AJAX mec_list_load_more (disponible para usuarios autenticados y no autenticados) antes de devolverlo a la respuesta, conllevando a un problema de Cross-Site Scripting Reflejado

*Credits: Krzysztof Zając

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-14 CVE Reserved
2021-11-15 CVE Published
2024-08-03 CVE Updated
2024-08-03 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 (1)

URL	Tag	Source

URL	Date	SRC
https://wpscan.com/vulnerability/82233588-6033-462d-b886-a8ef5ee9adb0	2024-08-03

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"				< 6.1.5 Search vendor "Webnus" for product "Modern Events Calendar Lite" and version " < 6.1.5"		wordpress		Affected