CVE-2026-39667 MEDIUM

CVE-2026-39667: WordPress Korea SNS plugin <= 1.7.0 - Cross Site Scripting (XSS) vulnerability

Vendor Jongmyoung Kim
Product Korea SNS
Weakness CWE-79 · XSS
Published April 8, 2026
Last update April 29, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jongmyoung Kim Korea SNS korea-sns allows DOM-Based XSS.This issue affects Korea SNS: from n/a through <= 1.7.0.

Explanation of Vulnerability in Simple Terms

02Summary

Korea SNS versions 1.7.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users with high privileges to inject malicious scripts. The vulnerability requires user interaction to trigger. An attacker can execute JavaScript in the context of other users' browsers, potentially stealing session tokens or performing actions on their behalf.

What an attacker can do

03Attacker Capabilities

Execute JavaScript in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Privileged accounts can be compromised to inject malicious content affecting all site visitors.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or privileged account access and trick a user into visiting a malicious link.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

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