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CVE-2016-20070— WordPress Booking Calendar Contact Form 1.0.23 Privilege Escalation Stored XSS

Quick assessment

Affected
dwbooster Booking Calendar Contact Form
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.

dwbooster Booking Calendar Contact Form是dwbooster个人开发者的一款用于网站预约管理的表单插件。 dwbooster Booking Calendar Contact Form 1.0.23及之前版本存在跨站脚本漏洞，该漏洞源于未验证用户权限和清理输入参数，导致权限提升和存储型跨站脚本，攻击者可通过price、name、calendar_language和email_confirmation_to_user参数注入恶意脚本，在管理员浏览器中执行任意JavaSc

CVSS 6.4 · Medium EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
dwbooster Booking Calendar Contact Form ≤ 1.0.23 affected
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I. Basic Information for CVE-2016-20070

Vulnerability Information
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Vulnerability Title
WordPress Booking Calendar Contact Form 1.0.23 Privilege Escalation Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
WordPress Booking Calendar Contact Form 1.0.23 contains privilege escalation and stored cross-site scripting vulnerabilities that allow authenticated users to modify plugin options and inject malicious scripts by failing to verify user privileges and sanitize input parameters. Attackers with subscriber-level accounts can inject XSS payloads through parameters like price, name, calendar_language, and email_confirmation_to_user via admin-ajax.php and admin.php endpoints to execute arbitrary JavaScript in administrator browsers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Vulnerability Title
dwbooster Booking Calendar Contact Form 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dwbooster Booking Calendar Contact Form是dwbooster个人开发者的一款用于网站预约管理的表单插件。 dwbooster Booking Calendar Contact Form 1.0.23及之前版本存在跨站脚本漏洞，该漏洞源于未验证用户权限和清理输入参数，导致权限提升和存储型跨站脚本，攻击者可通过price、name、calendar_language和email_confirmation_to_user参数注入恶意脚本，在管理员浏览器中执行任意JavaSc
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
dwbooster Booking Calendar Contact Form 0 ~ 1.0.23 -

II. Public POCs for CVE-2016-20070

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III. Intelligence Information for CVE-2016-20070

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Exploits & Public PoCs for CVE-2016-20070 (1)

News Coverage for CVE-2016-20070 (1)

Vendor Pages for CVE-2016-20070 (1)

Same Patch Batch · dwbooster · 2026-06-15 · 6 CVEs total

CVE-2016-20068 8.2 HIGH WordPress Booking Calendar Contact Form 1.0.23 SQL Injection
CVE-2016-20069 8.2 HIGH WordPress Booking Calendar Contact Form 1.0.23 SQL Injection
CVE-2016-20066 7.2 HIGH WordPress CP Polls 1.0.8 Persistent Cross-Site Scripting
CVE-2016-20084 7.2 HIGH WordPress appointment-booking-calendar 1.1.24 Privilege Escalation XSS
CVE-2016-20067 4.3 MEDIUM WordPress CP Polls 1.0.8 Cross-Site Request Forgery

IV. Related Vulnerabilities

Same product: Booking Calendar Contact Form
Same vendor: dwbooster
Same weakness: CWE-79

V. Comments for CVE-2016-20070

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