Constant Contact Forms <= 1.8.7 Editor+ Stored Cross-Site Scripting

2020-09-06 00:00

Nguyen Anh Tien

Strategic Overview

Status

Patched in 1.8.8

Affected PluginConstant Contact Forms

Affected Version< 1.8.8

CVSS5.5Medium

CVECVE-2021-24134

View all Constant Contact Forms vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 1.8.8, or a newer patched version --- IDENTIFIER: CWE-79 (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.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24134 https://www.wordfence.com/threat-intel/vulnerabilities/id/64f4009e-2715-4c58-acbd-e516f1a76646

CVSS Vector

5.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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