CVE-2026-27427 MEDIUM

CVE-2026-27427: WordPress Geo Mashup plugin <= 1.13.18 - Cross Site Scripting (XSS) vulnerability

Vendor Dylan Kuhn
Product Geo Mashup
Weakness CWE-79 · XSS
Published May 26, 2026
Last update May 26, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Dylan Kuhn Geo Mashup allows Stored XSS. This issue affects Geo Mashup: from n/a through 1.13.18.

Explanation of Vulnerability in Simple Terms

02Summary

Geo Mashup versions up to 1.13.18 contain a cross-site scripting vulnerability that allows an attacker to inject malicious scripts into the site. The vulnerability requires a logged-in user with low privileges to be tricked into visiting a crafted page. When exploited, the attacker can steal session data, modify page content, or perform actions on behalf of the victim across the affected site and potentially other pages.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers and steal their session data or modify site content.

Potential impact on your site

04Site Impact

Visitors with accounts can have their sessions hijacked or see modified content; site reputation and user trust at risk.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account and must trick a user into visiting a malicious link or page.

Key dates

06Disclosure timeline

May 26, 2026 CVE published
May 26, 2026 Record updated

Related vulnerabilities

08Related CVE