CVE-2021-24513

Form Builder < 1.9.8.4 - Authenticated Stored Cross-Site Scripting

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 Form Builder | Create Responsive Contact Forms WordPress plugin before 1.9.8.4 does not sanitise or escape its Form Title, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed

El plugin de WordPress Form Builder | Create Responsive Contact Forms versiones anteriores a 1.9.8.4, no sanea o escapa de su Form Title, permitiendo que usuarios con privilegios elevados, como el administrador, establezcan cargas útiles de tipo Cross-Site Scripting en ellos, incluso cuando la capacidad unfiltered_html está desautorizada

*Credits: Felipe Restrepo Rodriguez

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

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

2021-01-14 CVE Reserved
2021-08-09 CVE Published
2023-03-30 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/a1dc0ea9-51dd-43c3-bfd9-c5106193aeb6	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
Web-settler Search vendor "Web-settler"		Form Builder Search vendor "Web-settler" for product "Form Builder"				< 1.9.8.4 Search vendor "Web-settler" for product "Form Builder" and version " < 1.9.8.4"		wordpress		Affected