CVE-2025-30553 MEDIUM

CVE-2025-30553: WordPress GMO Font Agent plugin <= 1.6 - Cross Site Scripting (XSS) vulnerability

Vendor Z.com Bygmo
Product GMO Font Agent
Weakness CWE-79 · XSS
Published March 24, 2025
Last update April 28, 2026
View on NVD All CVEs

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 Z.com byGMO GMO Font Agent gmo-font-agent allows Stored XSS.This issue affects GMO Font Agent: from n/a through <= 1.6.

Explanation of Vulnerability in Simple Terms

02Summary

GMO Font Agent versions 1.6 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Authenticated users can be compromised; attackers may steal session tokens, modify site content, or redirect users to malicious sites.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 24, 2025 CVE published
April 28, 2026 Record updated