What is CVE-2026-1800?

CVE-2026-1800 is a high-severity vulnerability in Wisdomlogix Fonts Manager | Custom, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-03-21.

How severe is CVE-2026-1800?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Wisdomlogix Fonts Manager | Custom

CVE-2026-1800

The Fonts Manager | Custom Fonts plugin for WordPress is vulnerable to time-based SQL Injection via the ‘fmcfIdSelectedFnt’ parameter in all versions up to, and including, 1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Vulnerability class: SQL Injection

EPSS: 0.004 (31.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Wisdomlogix Fonts Manager | Custom — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

Frequently asked questions

What is CVE-2026-1800?: CVE-2026-1800 is a high-severity vulnerability in Wisdomlogix Fonts Manager | Custom, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-03-21.
How severe is CVE-2026-1800?: High severity. CVSS v3 base score is 7.5 out of 10.