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CVE-2026-84847— WordPress Quick Event Manager plugin <= 9.17 - Broken Access Control vulnerability

Quick assessment

Affected
brightvesseldev Quick Event Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Quick Event Manager是WordPress基金会的一款活动日程管理工具。 WordPress Quick Event Manager 9.17及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者进行未授权访问。

CVSS 7.5 · High EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1079

Affected Version Matrix 1

VendorProduct Version RangeStatus
brightvesseldev Quick Event Manager n/a≤ 9.17 affected
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I. Basic Information for CVE-2026-84847

Vulnerability Information
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Vulnerability Title
WordPress Quick Event Manager plugin <= 9.17 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Access Control in Quick Event Manager <= 9.17 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Quick Event Manager 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Quick Event Manager是WordPress基金会的一款活动日程管理工具。 WordPress Quick Event Manager 9.17及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者进行未授权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
brightvesseldev Quick Event Manager n/a ~ 9.17 -

II. Public POCs for CVE-2026-84847

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III. Intelligence Information for CVE-2026-84847

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Vendor Pages for CVE-2026-84847 (1)

Same Patch Batch · brightvesseldev · 2026-09-03 · 3 CVEs total

CVE-2026-84848 7.1 HIGH WordPress Quick Event Manager plugin <= 9.17 - Cross Site Scripting (XSS) vulnerability
CVE-2026-84849 6.5 MEDIUM WordPress Pre-Orders for WooCommerce plugin <= 2.3 - Bypass Vulnerability vulnerability

IV. Related Vulnerabilities

Same product: Quick Event Manager
Same vendor: brightvesseldev
Same weakness: CWE-862

V. Comments for CVE-2026-84847

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