CVE-2021-25025— Event Calendar < 1.1.51 - Subscriber+ Event Creation
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I. Basic Information for CVE-2021-25025
Vulnerability Information
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Vulnerability Title
Event Calendar < 1.1.51 - Subscriber+ Event Creation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF checks in the add_calendar_event AJAX actions, allowing users with a role as low as subscriber to create events
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin EventCalendar插件安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是WordPress开源的一个应用插件。 WordPress plugin EventCalendar插件存在安全漏洞，该漏洞源于WEB应用未充分验证请求是否来自可信用户。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。
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 |
|---|---|---|---|---|
| Unknown | EventCalendar | 1.1.51 ~ 1.1.51 | - |
II. Public POCs for CVE-2021-25025
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Unknown · 2022-01-17 · 11 CVEs total
| CVE-2021-25067 | Landing Page Builder < 1.4.9.6 - Authenticated Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-25065 | Smash Balloon Social Post Feed < 4.1.1 - Authenticated Reflected Cross-Site Scripting (XSS | |
| CVE-2021-25061 | WP Booking System – Booking Calendar < 2.0.15 - Authenticated Reflected Cross-Site Scripti | |
| CVE-2021-25046 | Modern Events Calendar Lite < 6.2.0 - Subscriber+ Category Add Leading to Stored XSS | |
| CVE-2021-25037 | All In One SEO < 4.1.5.3 - Authenticated SQL Injection | |
| CVE-2021-25036 | All In One SEO < 4.1.5.3 - Authenticated Privilege Escalation | |
| CVE-2021-25024 | Event Calendar < 1.1.51 - Reflected Cross-Site Scripting | |
| CVE-2021-25005 | SEUR Oficial < 1.7.0 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24909 | ACF Photo Gallery Field < 1.7.5 - Reflected Cross-Site Scripting | |
| CVE-2021-24838 | AnyComment < 0.3.5 - Open Redirect |
IV. Related Vulnerabilities
Same vendor: Unknown
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Same weakness: CWE-352
- CVE-2021-47953
OpenCart 3.0.3.7 Cross-Site Request Forgery via account/pass - CVE-2021-47946
OpenCart 3.0.36 Account Takeover via Cross Site Request Forg - CVE-2022-50955
WordPress Plugin Curtain 1.0.2 Cross-site Request Forgery - CVE-2026-8194
osTicket Dispatcher class.dispatcher.php cross-site request - CVE-2026-42286
Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2021-25025
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