WordPress plugin
Post Snippets – Custom WordPress Code Snippets Customizer security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical1
- High3
- Medium7
- Low0
All Post Snippets – Custom WordPress Code Snippets Customizer vulnerabilities
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
≤4.2.4Update to 4.2.5
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤4.2.4No patch available
- High8.8Authenticated (Contributor+) Remote Code Execution
≤4.0.19Update to 4.1.0
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting via Import
≤4.0.19Update to 4.1.1
- High8.8Authenticated (Contributor+) Remote Code Execution
≤4.0.12Update to 4.0.13
- Medium4.3Cross-Site Request Forgery
≤4.0.11Update to 4.0.12
- Medium6.1Reflected Cross-Site Scripting via fs_request_get
≤1.9.2No patch available
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting via 'snippet_content'
≤4.0.2Update to 4.0.3
- Medium6.3Missing Authorization Checks
all versionsNo patch available
- Critical9.6Cross-Site Request Forgery to Stored Cross-Site Scripting
≤3.1.3Update to 3.1.4
- High8.8Missing Authorization to Arbitrary Options Update
<3.1.7Update to 3.1.7
Post Snippets – Custom WordPress Code Snippets Customizer: common questions
Does Post Snippets – Custom WordPress Code Snippets Customizer have known vulnerabilities?
Yes. VulnCrest Radar lists 11 known vulnerabilities in Post Snippets – Custom WordPress Code Snippets Customizer: 1 critical, 3 high, 7 medium. At least one is not fixed in the latest version.
How do I check which version of Post Snippets – Custom WordPress Code Snippets Customizer I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Post Snippets – Custom WordPress Code Snippets Customizer vulnerability?
CVE-2026-77871, published Oct 27, 2026: Post Snippets <= 4.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes. Severity: Medium (CVSS 6.4).
Is any Post Snippets – Custom WordPress Code Snippets Customizer vulnerability listed in CISA KEV?
No. None of the known Post Snippets – Custom WordPress Code Snippets Customizer vulnerabilities is currently listed in the CISA KEV catalog.