CVE-2026-93655— Booking Calendar <= 11.8.3 - Reflected Cross-Site Scripting via 'wpbc_auto_fill' Parameter
Quick assessment
Affected
wpdevelop Booking Calendar
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 Booking Calendar 插件在所有版本（包括 11.8.3 及更早版本）中存在通过 参数引发的反射型跨站脚本攻击（Reflected XSS）漏洞。该漏洞是由于输入数据缺乏足够的净化（sanitization）以及输出时未进行适当的转义（escaping）所致。 这使得未经身份验证的攻击者能够注入任意的 Web 脚本，一旦他们成功诱骗用户执行某些操作（例如点击特定链接），这些脚本就会在页面中执行。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wpdevelop | Booking Calendar | ≤ 11.8.3 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-93655
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Booking Calendar <= 11.8.3 - Reflected Cross-Site Scripting via 'wpbc_auto_fill' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Booking Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpbc_auto_fill' parameter in all versions up to, and including, 11.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 |
|---|---|---|---|---|
| wpdevelop | Booking Calendar | 0 ~ 11.8.3 | - |
|
II. Public POCs for CVE-2026-93655
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-93655
请登录查看更多情报信息。
Other References for CVE-2026-93655 (3)
IV. Related Vulnerabilities
Same product: Booking Calendar
-
CVE-2026-92561
Booking Calendar <= 11.8.2 - Reflected Cross-Site Scripting -
CVE-2026-92619
Booking Calendar <= 11.8.2 - Authenticated (Editor+) Privile -
CVE-2026-74002
WordPress Booking Calendar plugin <= 11.7 - Broken Access Co -
CVE-2026-59558
WordPress Booking Calendar plugin <= 11.4.2 - Cross Site Scr -
CVE-2026-32358
WordPress Booking Calendar plugin <= 10.14.15 - SQL Injectio
Same vendor: wpdevelop
-
CVE-2026-92561
Booking Calendar <= 11.8.2 - Reflected Cross-Site Scripting -
CVE-2026-92619
Booking Calendar <= 11.8.2 - Authenticated (Editor+) Privile -
CVE-2026-74002
WordPress Booking Calendar plugin <= 11.7 - Broken Access Co -
CVE-2026-59558
WordPress Booking Calendar plugin <= 11.4.2 - Cross Site Scr -
CVE-2026-42751
WordPress Booking Manager plugin <= 2.1.18 - Cross Site Scri
Same weakness: CWE-79
-
CVE-2026-103292
Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_hea -
CVE-2026-103277
Ghost 2.5.0 before 6.34.0 Untrusted Script Execution via oEm -
CVE-2026-103249
n8n before 1.123.80, 2.39.6, and 2.40.1 Stored DOM XSS via R -
CVE-2026-7176
Multiple vulnerabilities in Entradium by Crocantickets -
CVE-2026-7175
Multiple vulnerabilities in Entradium by Crocantickets
V. Comments for CVE-2026-93655
No comments yet