CVE-2021-24556— Email Subscriber <= 1.1 - Unauthenticated Stored Cross-Site Scripting (XSS)
Quick assessment
Affected
Unknown Email Subscriber
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 Email Subscriber 存在跨站脚本漏洞，该漏洞源于插件的 kento_email_subscriber_ajax AJAX 操作未正确清理、验证和转义提交的 subscribe_email 和 subscribe_name POST 参数，将它们插入到
Possible ATT&CK Techniques 3 AI
T1136.001 · Local Account T1189 · Drive-by Compromise T1059.007 · JavaScript
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I. Basic Information for CVE-2021-24556
Vulnerability Information
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Vulnerability Title
Email Subscriber <= 1.1 - Unauthenticated Stored Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1, does not properly sanitise, validate and escape the submitted subscribe_email and subscribe_name POST parameters, inserting them in the DB and then outputting them back in the Subscriber list (/wp-admin/edit.php?post_type=kes_campaign&page=kento_email_subscriber_list_settings), leading a Stored XSS issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Wordpress Plugin Email Subscriber 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 plugin是WordPress开源的一个应用插件。 Wordpress Plugin Email Subscriber 存在跨站脚本漏洞，该漏洞源于插件的 kento_email_subscriber_ajax AJAX 操作未正确清理、验证和转义提交的 subscribe_email 和 subscribe_name POST 参数，将它们插入到
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 | Email Subscriber | 1.1 ~ 1.1 | - |
|
II. Public POCs for CVE-2021-24556
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-24556 (1)
Other References for CVE-2021-24556 (1)
-
https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ x_refsource_MISC
Same Patch Batch · Unknown · 2021-08-23 · 25 CVEs total
| CVE-2021-24552 | Simple Events Calendar <= 1.4.0 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24486 | Simple Social Media Share Buttons < 3.2.3 - Contributor+ Stored XSS | |
| CVE-2021-24497 | Giveaway <= 1.2.2 - Authenticated SQL Injection | |
| CVE-2021-24506 | Slider Hero < 8.2.7 - Contributor+ SQL Injection | |
| CVE-2021-24524 | GiveWP < 2.12.0 - Authenticated Stored XSS | |
| CVE-2021-24531 | Charitable – Donation Plugin < 1.6.51 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24529 | Grid Gallery < 1.2.5 - Authenticated Stored Cross Site Scripting (XSS) | |
| CVE-2021-24533 | Maintenance < 4.03 - Authenticated Stored XSS | |
| CVE-2021-24547 | KN Fix Your Title <= 1.0.1 - Authenticated Stored XSS | |
| CVE-2021-24549 | AceIDE <= 2.6.2 - Authenticated (admin+) Arbitrary File Access | |
| CVE-2021-24550 | Broken Link Manager <= 0.6.5 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24551 | Edit Comments <= 0.3 - Unauthenticated SQL Injection | |
| CVE-2021-24602 | HM Multiple Roles < 1.3 - Arbitrary Role Change | |
| CVE-2021-24553 | Timeline Calendar <= 1.2 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24555 | Diary & Availability Calendar <= 1.0.3 - Authenticated (subscriber+) SQL Injection | |
| CVE-2021-24554 | Paytm - Donation Plugin <= 1.3.2 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24557 | M-vSlider <= 2.1.3 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24558 | Project Status <= 1.6 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24561 | WP SMS < 5.4.13 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24562 | LifterLMS < 4.21.2 - Access Other Student Grades/Answers via IDOR |
Showing top 20 of 25 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-24556
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