Nexter Extension – Security, Performance, Code Snippets & Site Toolkit vulnerabilities

Plugin slug nexter-extension · 5 known vulnerabilities · latest disclosed 2026-10-15 · WordPress.org page

Every listed vulnerability has a fix. Version 4.7.12 or later is not affected by any of them. If your site runs an older version, update it.

3 of 5 rated high or critical (CVSS 7 or more).

Known vulnerabilities in Nexter Extension – Security, Performance, Code Snippets & Site Toolkit

SeverityAffected versionsFixed inCVEPublishedDetails
High 7.5<= 4.7.114.7.12CVE-2026-1111142026-10-15Advisory
High 8.1<= 4.4.64.4.7CVE-2026-07262026-01-20Advisory
Medium 6.4<= 4.4.14.4.2CVE-2025-137312025-12-01Advisory
High 7.2<= 2.0.32.0.4CVE-2023-457512023-10-12Advisory
Medium 6.1<= 2.0.32.0.4CVE-2023-457502023-10-12Advisory

Check if a site is affected

Enter a site address to see which version of Nexter Extension – Security, Performance, Code Snippets & Site Toolkit and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the Nexter Extension – Security, Performance, Code Snippets & Site Toolkit plugin safe to use?

All 5 known issues are fixed in current versions (4.7.12 or later). Keeping it updated is what matters.

How do I check which version of Nexter Extension – Security, Performance, Code Snippets & Site Toolkit 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.

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