CVE-2021-24134

Published: Mar 18, 2021Modified: Jun 17, 2026

4.8

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitability: 1.7 / Impact: 2.7

Source: NVD

Description

Unvalidated input and lack of output encoding in the Constant Contact Forms WordPress plugin, versions before 1.8.8, lead to multiple Stored Cross-Site Scripting vulnerabilities, which allowed high-privileged user (Editor+) to inject arbitrary JavaScript code or HTML in posts where the malicious form is embed.

Affected (1)

Products: Constantcontact: Constant Contact Forms

Constantcontact

1 product

Constant Contact Forms

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Constantcontact Constant Contact Forms	Before 1.8.8

Related CWEs

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://wpscan.com/vulnerability/8f3cca92-d072-4806-9142-7f1a987f840b

Source: contact@wpscan.com

ExploitThird Party Advisory

https://wpscan.com/vulnerability/8f3cca92-d072-4806-9142-7f1a987f840b

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.