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CVE-2026-27409— WordPress Webba Booking plugin <= 6.4.13 - Broken Access Control vulnerability

Quick assessment

Affected
Webba Plugins Webba Booking
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 Webba Booking是WordPress基金会的一款网站预约管理软件。 Webba Booking 6.4.13及之前版本存在授权问题漏洞，该漏洞源于授权缺失，允许利用配置错误的访问控制安全级别。

CVSS 5.3 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
Webba Plugins Webba Booking n/a≤ 6.4.13 affected
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I. Basic Information for CVE-2026-27409

Vulnerability Information
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Vulnerability Title
WordPress Webba Booking plugin <= 6.4.13 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization vulnerability in Webba Plugins Webba Booking allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Webba Booking: from n/a through 6.4.13.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 Webba Booking 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Webba Booking是WordPress基金会的一款网站预约管理软件。 Webba Booking 6.4.13及之前版本存在授权问题漏洞，该漏洞源于授权缺失，允许利用配置错误的访问控制安全级别。
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
Webba Plugins Webba Booking n/a ~ 6.4.13 -

II. Public POCs for CVE-2026-27409

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III. Intelligence Information for CVE-2026-27409

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Vendor Advisories for CVE-2026-27409 (1)

IV. Related Vulnerabilities

Same product: Webba Booking
Same vendor: Webba Plugins
Same weakness: CWE-862

V. Comments for CVE-2026-27409

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