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CVE-2026-102565— BA Book Everything <= 1.8.28 - Unauthenticated Stored Cross-Site Scripting via 'booking_service_qty' Parameter

Quick assessment

Affected
bookingalgorithms BA Book Everything
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 的 BA Book Everything 插件在所有 1.8.28 及更低版本中存在存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞，该漏洞源于对 参数的输入验证和输出转义不足。此漏洞允许未经身份验证的攻击者在网页中注入任意的 Web 脚本，当用户访问被注入的页面时，脚本将自动执行。成功利用该漏洞需要管理员或其他具有特权的用户在插件的 wp-admin 订单管理区域打开被注入的订单记录，而这正是该插件常规的订单审核工作流程。

CVSS 7.2 · High EPSS 0.31% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
bookingalgorithms BA Book Everything ≤ 1.8.28 affected
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I. Basic Information for CVE-2026-102565

Vulnerability Information
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Vulnerability Title
BA Book Everything <= 1.8.28 - Unauthenticated Stored Cross-Site Scripting via 'booking_service_qty' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The BA Book Everything plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'booking_service_qty' parameter in all versions up to, and including, 1.8.28 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Successful exploitation requires that an administrator or other privileged user opens the injected order record in the plugin's wp-admin order management area, which is the plugin's ordinary order-review workflow.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
bookingalgorithms BA Book Everything 0 ~ 1.8.28 -

II. Public POCs for CVE-2026-102565

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III. Intelligence Information for CVE-2026-102565

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Vendor Advisories for CVE-2026-102565 (1)

IV. Related Vulnerabilities

Same product: BA Book Everything
Same vendor: bookingalgorithms
Same weakness: CWE-79

V. Comments for CVE-2026-102565

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