CVE-2021-36849

WordPress Social Media Share Buttons plugin <= 3.8.1 - 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) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.

Una vulnerabilidad de tipo Cross-Site Scripting (XSS) Autenticado (admin+) Almacenado en el plugin Social Media Share Buttons de René Hermenau versiones anteriores a 3.8.1 incluyéndola en WordPress

*Credits: Vulnerability discovered by 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

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-19 CVE Reserved
2022-06-16 CVE Published
2024-02-08 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

References (2)

URL	Tag	Source
https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://wordpress.org/plugins/mashsharer/#developers	2022-07-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Social Media Share Buttons Project Search vendor "Social Media Share Buttons Project"		Social Media Share Buttons Search vendor "Social Media Share Buttons Project" for product "Social Media Share Buttons"				<= 3.8.1 Search vendor "Social Media Share Buttons Project" for product "Social Media Share Buttons" and version " <= 3.8.1"		wordpress		Affected