CVE-2021-24593

Business Hours Indicator < 2.3.5 - Authenticated Stored XSS

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Business Hours Indicator WordPress plugin before 2.3.5 does not sanitise or escape its 'Now closed message" setting when outputting it in the backend and frontend, leading to an Authenticated Stored Cross-Site Scripting issue

El plugin Business Hours Indicator de WordPress versiones anteriores a 2.3.5, no sanea ni escapa de su configuración "Now closed message" cuando lo muestra en el backend y en el frontend, conllevando a un problema de tipo Cross-Site Scripting almacenado y autenticado.

*Credits: Asif Nawaz Minhas

CVSS Scores

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

Low

Privileges Required

Low

User Interaction

None

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

2021-01-14 CVE Reserved
2021-08-02 CVE Published
2023-03-23 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- 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/309296d4-c397-4fc7-85fb-a28b5b5b6a8d	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
Business Hours Indicator Project Search vendor "Business Hours Indicator Project"		Business Hours Indicator Search vendor "Business Hours Indicator Project" for product "Business Hours Indicator"				< 2.3.5 Search vendor "Business Hours Indicator Project" for product "Business Hours Indicator" and version " < 2.3.5"		wordpress		Affected