Known vulnerabilities in Post Snippets – Custom WordPress Code Snippets Customizer

Create WordPress custom snippets shortcodes and reusable content and insert them in into your posts and pages.

6Reported vulnerabilities

9.6Highest CVSS score

4.2.3Latest version

20,000+Active installs

What to do now

Update Post Snippets – Custom WordPress Code Snippets Customizer to 4.1.0 or later. 6 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 10, 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-2021-25010	Critical 9.6	0.6%	Before 3.1.4	`3.1.4`	February 28, 2022
CVE-2026-56049	High 8.8	0.6%	4.0.19 and earlier	`4.1.0`	June 25, 2026
CVE-2026-25001	High 8.8	0.2%	4.0.12 and earlier	`4.0.13`	March 16, 2026
CVE-2023-25459	Medium 4.4	0.4%	4.0.2 and earlier	`4.0.3`	May 9, 2023
CVE-2026-7430	Medium 4.4	0.2%	0 to 4.0.19 (inclusive)	`4.1.1`	May 29, 2026
CVE-2025-63040	Medium 4.3	0.1%	4.0.11 and earlier	`4.0.12`	December 31, 2025

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