CVE-2026-5957 — Path Traversal
CVE-2026-5957 — The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-con
What This Means For You
- If your environment is affected by CWE-22, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-5957 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.
CVE-2026-5957 - WordPress EmailKit Arbitrary File Read via REST API
title: CVE-2026-5957 - WordPress EmailKit Arbitrary File Read via REST API
id: scw-2026-05-05-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-5957 in the WordPress EmailKit plugin. This rule specifically looks for the 'email-editor-template' REST API endpoint combined with the 'create_template' action and a template name containing '../', indicating a path traversal attempt to read arbitrary files.
author: SCW Feed Engine (AI-generated)
date: 2026-05-05
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-5957/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-json/email-editor-template/v1/email-editor-template'
cs-uri-query|contains:
- 'action=create_template'
cs-uri-query|contains:
- 'template_name='
cs-uri-query|contains:
- '../'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-5957 | vulnerability | CVE-2026-5957 |
| CWE-22 | weakness | CWE-22 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 05, 2026 at 07:16 UTC |
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