CVE-2025-30553

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

6.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.35%Up 0.3 points since Mar 25, 2025

What each source reports

CVE List Score used 6.5

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

Record: CVE-2025-30553
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-7959 6.5

Record: EUVD-2025-7959
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r6cg-833c-677g 6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Z.com byGMO GMO Font Agent allows Stored XSS. This issue affects GMO Font Agent: from n/a through 1.6.

Record: GHSA-r6cg-833c-677g
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-30553
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

z.com bygmo gmo font agent

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-30553 is a medium vulnerability (CVSS 6.5) in Z.com Bygmo Gmo Font Agent, published March 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.