User Language Switch vulnerabilities
Plugin slug user-language-switch · 3 known vulnerabilities · latest disclosed 2026-02-13 · WordPress.org page
3 vulnerabilities have no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.
0 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in User Language Switch
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.4 | <= 1.6.10 | No fix yet | CVE-2026-0735 | 2026-02-13 | Advisory |
| Medium 5.5 | <= 1.6.10 | No fix yet | CVE-2026-0745 | 2026-02-13 | Advisory |
| Medium 6.1 | <= 1.6.10 | No fix yet | CVE-2025-49064 | 2025-08-07 | Advisory |
Check if a site is affected
Enter a site address to see which version of User Language Switch and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the User Language Switch plugin safe to use?
3 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of User Language Switch 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.