CVE-2021-36828

WordPress WP Maintenance plugin <= 6.0.4 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Severity Score

4.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions.

Una vulnerabilidad de tipo Cross-Site Scripting (XSS) Almacenado Autenticado (admin+) en WP Maintenance (plugin de WordPress) versiones anteriores a 6.0.4 incluyéndola, afecta a múltiples entradas

The WP Maintenance plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 6.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with admin-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

*Credits: Asif Nawaz Minhas (Patchstack Alliance)

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

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

2021-07-19 CVE Reserved
2022-04-15 CVE Published
2023-11-06 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

CAPEC-592: Stored XSS

References (1)

URL	Tag	Source
https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability?_s_id=cve	Vdb Entry

URL	Date	SRC

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
Wp Maintenance Project Search vendor "Wp Maintenance Project"		Wp Maintenance Search vendor "Wp Maintenance Project" for product "Wp Maintenance"				<= 6.0.4 Search vendor "Wp Maintenance Project" for product "Wp Maintenance" and version " <= 6.0.4"		wordpress		Affected