WPML <= 4.5.10 — Unprotected AJAX Actions
eb0b9c2b-c536-4697-be4c-7557ba66c2c4Published · Updated Action summary
Affected: ≤4.5.10Update to 4.5.11 or newer
All remediation steps- Severity
- Medium5.4
- CVSS
- 5.4CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:LAvailability- Low
- Weakness
- CWE-285 Improper Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
WPML Multilingual CMS sitepress-multilingual-cms
- Affected≤ 4.5.10
- Patched in4.5.11
Update to 4.5.11 or newer.
You are affected if you run ≤ 4.5.10. Version 4.5.11 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WPML Multilingual CMS.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 4.5.11, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WPML Multilingual CMS to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence.
The WPML plugin for WordPress contains several AJAX actions that fail to perform capability checks or nonce checks. These allow authenticated users to set content defaults, update language settings for legacy widgets, and abort translations.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in WPML Multilingual CMS
All 17| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.1 | Unauthenticated Authentication Bypass in Language-per-Domain SSO via 'wpml_sso_token_domain' Parameter ≤4.9.7Update to 5.0.0 | CVE-2026-76877 | |
| Medium6.5 | Incorrect Authorization to Authenticated (Subscriber+) SQL Injection via ‘elementIds’ ≤4.9.5Update to 4.9.6 | CVE-2026-17509 | |
| Medium6.5 | Authenticated (Translator+) SQL Injection via 'sorting' Parameter ≤4.9.5Update to 4.9.6 | CVE-2026-12248 | |
| Medium6.4 | 4.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpml_language_switcher Shortcode 3.6.0 – 4.7.3Update to 4.7.4 | CVE-2025-3488 | |
| Critical9.9 | Authenticated (Contributor+) Remote Code Execution via Twig Server-Side Template Injection ≤4.6.12Update to 4.6.13 | CVE-2024-6386 |
- 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
Timeline
CVE published
Severity medium, CVSS 5.4
Record last updated
Sources & licenses
- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.