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CVE-2021-24876— Registrations for The Events Calendar < 2.7.5 - Reflected Cross-Site Scripting

EPSS 0.25% · P48
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I. Basic Information for CVE-2021-24876

Vulnerability Information
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Vulnerability Title
Registrations for The Events Calendar < 2.7.5 - Reflected Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 插件跨站脚本漏洞
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 插件是WordPress开源的一个应用插件。 WordPress 的Events Calendar 插件 2.7.5之前版本存在跨站脚本漏洞，该漏洞源于插件在输出到属性之前没有转义v参数，攻击者可利用该漏洞进行跨站点脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
UnknownRegistrations for the Events Calendar – Event Registration Plugin 2.7.5 ~ 2.7.5 -

II. Public POCs for CVE-2021-24876

#POC DescriptionSource LinkShenlong Link
1The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24876.yamlPOC Details
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III. Intelligence Information for CVE-2021-24876

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Same Patch Batch · Unknown · 2021-11-29 · 19 CVEs total

CVE-2021-24822Stylish Cost Calculator < 7.04 - Subscriber+ Unauthorised AJAX Calls to Stored XSS
CVE-2017-20008myCRED < 1.7.8 - Reflected Cross-Site Scripting
CVE-2021-24745About Author Box < 1.0.2 - Contributor+ Stored Cross-Site Scripting
CVE-2021-24748Email Before Download < 6.8 - Admin+ SQL Injection
CVE-2021-24749URL Shortify < 1.5.1 - Arbitrary Link/Group Deletion via CSRF
CVE-2021-24751GenerateBlocks < 1.4.0 - Contributor+ Stored Cross-Site Scripting
CVE-2021-24755myCred < 2.3 - Subscriber+ SQL Injection
CVE-2021-24768WP RSS Aggregator < 4.19.2 - Admin+ Stored Cross-Site Scripting
CVE-2021-24811Shop Page WP < 1.2.8 - Admin+ Stored Cross-Site Scripting
CVE-2021-24927My Calendar < 3.2.18 - Subscriber+ Reflected Cross-Site Scripting
CVE-2021-24842Bulk Datetime Change < 1.12 - Missing Authorisation
CVE-2021-24860BSK PDF Manager < 3.1.2 - Admin+ SQL Injection
CVE-2021-24883Popup Anything < 2.0.4 - Contributor+ Stored Cross-Site Scripting
CVE-2021-24889Ninja Forms < 3.6.4 - Admin+ SQL Injection
CVE-2021-24899Media-Tags <= 3.2.0.2 - Admin+ Stored Cross-Site Scripting
CVE-2021-24908Check & Log Email < 1.0.4 - Reflected Cross-Site Scripting
CVE-2021-24915Contest Gallery < 13.1.0.6 - Missing Access Controls to Unauthenticated SQL injection / Em
CVE-2021-24918Smash Balloon Social Post Feed < 4.0.1 - Subscriber+ Arbitrary Plugin Settings Update to S

IV. Related Vulnerabilities

Same product: Registrations for the Events Calendar – Event Registration Plugin
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24876

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