Known vulnerabilities in Meta Box

Meta Box plugin is a powerful, professional developer toolkit to create custom meta boxes and custom fields for your custom post types in WordPress.

8Reported vulnerabilities

7.5Highest CVSS score

5.14.1Latest version

500,000+Active installs

What to do now

Update Meta Box to 5.13.1 or later. 8 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 17, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2019-14793	Medium 6.5	1.7%	Before 4.16.3	`4.16.3`	August 9, 2019
CVE-2024-1204	Medium 4.3	0.5%	Before 5.9.4	`5.9.4`	April 15, 2024
CVE-2025-14675	High 7.2	2.4%	0 to 5.11.1 (inclusive)	`5.11.2`	March 7, 2026
CVE-2019-14794	High 7.5	1.4%	Before 4.16.2	`4.16.2`	August 9, 2019
CVE-2026-39468	Medium 6.8	1.2%	5.11.1 and earlier	`5.11.2`	June 15, 2026
CVE-2024-43235	High 7.1	0.5%	5.9.10 and earlier	`5.9.11`	November 1, 2024
CVE-2023-6526	Medium 5.4	0.4%	5.9.2 and earlier	`5.9.3`	February 5, 2024
CVE-2026-15248	Medium 4.3	0.3%	Before 5.13.1	`5.13.1`	August 2, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.