CVE-2026-4683 — Denial of Service
CVE-2026-4683 — The Smartcat Translator for WPML plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'routeData' REST endpoint in all versions up to, and including, 3.1.77. This makes it possible for unauthenticated attackers to overwrite
What This Means For You
- If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-4683 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Smartcat Translator for WPML routeData Endpoint Abuse - CVE-2026-4683
title: Smartcat Translator for WPML routeData Endpoint Abuse - CVE-2026-4683
id: scw-2026-05-15-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-4683 by targeting the 'routeData' REST endpoint of the Smartcat Translator for WPML plugin. This endpoint is vulnerable due to a missing capability check, allowing unauthenticated attackers to modify API credentials, potentially hijacking translation services or causing a denial of service.
author: SCW Feed Engine (AI-generated)
date: 2026-05-15
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-4683/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-json/smartcat/v1/routeData'
cs-method|exact:
- 'POST'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-4683 | vulnerability | CVE-2026-4683 |
| CWE-862 | weakness | CWE-862 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 15, 2026 at 12:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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