WordPress plugin
WPML Multilingual CMS security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 17 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical2
- High4
- Medium11
- Low0
All WPML Multilingual CMS vulnerabilities
- High8.1Unauthenticated Authentication Bypass in Language-per-Domain SSO via 'wpml_sso_token_domain' Parameter
≤4.9.7Update to 5.0.0
- Medium6.5Incorrect Authorization to Authenticated (Subscriber+) SQL Injection via ‘elementIds’
≤4.9.5Update to 4.9.6
- Medium6.5Authenticated (Translator+) SQL Injection via 'sorting' Parameter
≤4.9.5Update to 4.9.6
- Medium6.44.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpml_language_switcher Shortcode
3.6.0 – 4.7.3Update to 4.7.4
- Critical9.9Authenticated (Contributor+) Remote Code Execution via Twig Server-Side Template Injection
≤4.6.12Update to 4.6.13
- Medium6.1Reflected Cross-Site Scripting via wp_lang
≤4.6.0Update to 4.6.1
- Medium4.3Cross-Site Request Forgery
≤4.5.13Update to 4.5.14
- Medium4.3Missing Authorization to Translation Job Status Change
≤4.5.10Update to 4.5.11
- Medium4.3Cross-Site Request Forgery
≤4.5.13Update to 4.5.14
- Medium4.3Missing Authorization to Settings Change
≤4.5.10Update to 4.5.11
- Medium5.4Unprotected AJAX Actions
≤4.5.10Update to 4.5.11
- High8.8Cross-Site Request Forgery Bypass
<4.3.7Update to 4.3.7
- High7.2Unauthenticated Stored Cross-Site Scripting
≤3.6.3Update to 4.0
- Medium6.1Cross-Site Scripting in Accept-Language Header
2.9.3 – 3.2.6Update to 3.2.7
- High7.5Arbitrary Deletion of Content
≤3.1.9Update to 3.1.9.1
- Critical9.8SQL Injection via lang Parameter
≤3.1.9Update to 3.1.9.1
- Medium5.4Authorization Bypass
<3.1.9Update to 3.1.9.1
WPML Multilingual CMS: common questions
Does WPML Multilingual CMS have known vulnerabilities?
Yes. VulnCrest Radar lists 17 known vulnerabilities in WPML Multilingual CMS: 2 critical, 4 high, 11 medium. None are known to affect version null.
How do I check which version of WPML Multilingual CMS 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 WPML Multilingual CMS vulnerability?
CVE-2026-76877, published Nov 9, 2026: WPML Multilingual CMS <= 4.9.7 - Unauthenticated Authentication Bypass in Language-per-Domain SSO via 'wpml_sso_token_domain' Parameter. Severity: High (CVSS 8.1).
Is any WPML Multilingual CMS vulnerability listed in CISA KEV?
No. None of the known WPML Multilingual CMS vulnerabilities is currently listed in the CISA KEV catalog.