CVE-2026-6127 — Cross-Site Scripting (XSS)
CVE-2026-6127 — The Elementor Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the _elementor_data meta field in versions up to, and including, 4.0.4. This is due to insufficient input sanitization when processing form-encoded REST API requests. The plugin regist
What This Means For You
- If your environment is affected by CWE-79, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6127 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.
WordPress Elementor _elementor_data Stored XSS Attempt — CVE-2026-6127
title: WordPress Elementor _elementor_data Stored XSS Attempt — CVE-2026-6127
id: scw-2026-05-01-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-6127 by sending a PATCH request to the WordPress REST API containing '_elementor_data' in the query string. This specific pattern targets the vulnerability where the _elementor_data meta field is processed without proper sanitization when form-encoded REST API requests are made, allowing for Stored Cross-Site Scripting.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6127/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-method:
- 'PATCH'
uri|contains:
- '/wp-json/wp/v2/posts/'
cs-uri-query|contains:
- '_elementor_data'
selection_indicators:
cs-uri-query|contains:
- 'json_decode()'
condition: selection AND selection_indicators
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6127 | vulnerability | CVE-2026-6127 |
| CWE-79 | weakness | CWE-79 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 09:16 UTC |
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