Post Snippets – Custom WordPress Code Snippets Customizer vulnerabilities
Plugin slug post-snippets · 11 known vulnerabilities · latest disclosed 2026-10-27 · WordPress.org page
1 vulnerability has no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.
4 of 11 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Post Snippets – Custom WordPress Code Snippets Customizer
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.4 | <= 4.2.4 | 4.2.5 | CVE-2026-77871 | 2026-10-27 | Advisory |
| Medium 6.4 | <= 4.2.4 | No fix yet | CVE-2026-12980 | 2026-10-08 | Advisory |
| High 8.8 | <= 4.0.19 | 4.1.0 | CVE-2026-56049 | 2026-06-25 | Advisory |
| Medium 4.4 | <= 4.0.19 | 4.1.1 | CVE-2026-7430 | 2026-05-28 | Advisory |
| High 8.8 | <= 4.0.12 | 4.0.13 | CVE-2026-25001 | 2026-03-16 | Advisory |
| Medium 4.3 | <= 4.0.11 | 4.0.12 | CVE-2025-63040 | 2025-12-31 | Advisory |
| Medium 6.1 | 3.0.0 to 4.0.3 | 4.0.4 | CVE-2023-33999 | 2023-07-18 | Advisory |
| Medium 4.4 | <= 4.0.2 | 4.0.3 | CVE-2023-25459 | 2023-05-09 | Advisory |
| Medium 6.3 | < 3.1.7 | 3.1.7 | CVE-2022-4974 | 2022-03-04 | Advisory |
| Critical 9.6 | <= 3.1.3 | 3.1.4 | CVE-2021-25010 | 2022-01-31 | Advisory |
| High 8.8 | < 3.0.6 | 3.0.6 | none | 2019-02-25 | Advisory |
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Questions
Is the Post Snippets – Custom WordPress Code Snippets Customizer plugin safe to use?
1 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of Post Snippets – Custom WordPress Code Snippets Customizer my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.