Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme <= 2.9.4 - Reflected Cross-Site Scripting

2020-06-25 00:00

Ram

Strategic Overview

Status

Patched in 2.9.5

Affected PluginPage Builder: KingComposer – Free Drag and Drop page builder by King-Theme

Affected Version<= 2.9.4

CVSS6.1Medium

CVECVE-2020-15299

View all Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme vulnerabilities

Vulnerability Overview

A reflected Cross-Site Scripting (XSS) Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an install_online_preset AJAX request containing base64-encoded JavaScript (in the kc-online-preset-data POST parameter) that is executed in the victim's browser.

Technical Analysis

REMEDIATION: Update to version 2.9.5, 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-2020-15299 https://www.wordfence.com/threat-intel/vulnerabilities/id/d52cdc45-efea-46b5-9004-f3169e807747

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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