CVE-2026-8681— Essential Chat Support <= 1.0.1 - Missing Authorization to Unauthenticated Settings Reset via 'ecs_reset_settings' Parameter
Possible ATT&CK Techniques 1AI
T1498 · Network Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| essentialplugin | Essential Chat Support | ≤ 1.0.1 | affected |
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I. Basic Information for CVE-2026-8681
Vulnerability Information
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Vulnerability Title
Essential Chat Support <= 1.0.1 - Missing Authorization to Unauthenticated Settings Reset via 'ecs_reset_settings' Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Essential Chat Support plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.0.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to reset all plugin configuration settings — including general settings, display rules, custom CSS, and WooCommerce tab settings — to their defaults by sending a POST request with ecs_reset_settings=1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| essentialplugin | Essential Chat Support | 0 ~ 1.0.1 | - |
II. Public POCs for CVE-2026-8681
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: essentialplugin
Same weakness: CWE-862
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Multicollab: Content Team Collaboration and Editorial Workfl - CVE-2026-45667
Open WebUI: Unauthenticated endpoint can trigger embedding g - CVE-2026-44571
Open WebUI: Improper Authorization in Standard Channels Allo - CVE-2026-45350
Open WebUI: Chat completion API allows tool restrictions to - CVE-2026-44569
Open WebUI: Insecure Message Access Breaks Authorization
V. Comments for CVE-2026-8681
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