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CVE-2021-24874— Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.31 - Reflected Cross-Site Scripting

Quick assessment

Affected
Unknown Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue
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（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 存在跨站脚本漏洞，该漏洞源于 Sendinblue 插件在 3.1.31 版本之前的时事通讯、SMTP、电子邮件营销和订阅表单在将它们输出回属性之前不会转义 lang 和 pid 参数，从而导致反射跨站点脚本问题。

AI Predicted 5.4 Difficulty: Easy EPSS 0.80% · P55
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I. Basic Information for CVE-2021-24874

Vulnerability Information
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Vulnerability Title
Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue < 3.1.31 - Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.31 does not escape the lang and pid parameter before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
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 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（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 存在跨站脚本漏洞，该漏洞源于 Sendinblue 插件在 3.1.31 版本之前的时事通讯、SMTP、电子邮件营销和订阅表单在将它们输出回属性之前不会转义 lang 和 pid 参数，从而导致反射跨站点脚本问题。
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 Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue 3.1.31 ~ 3.1.31 -

II. Public POCs for CVE-2021-24874

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III. Intelligence Information for CVE-2021-24874

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Vendor Advisories for CVE-2021-24874 (1)

Same Patch Batch · Unknown · 2022-02-14 · 20 CVEs total

CVE-2021-25115 WP Photo Album Plus < 8.0.10 - Stored Cross-Site Scripting (XSS)
CVE-2021-24446 Remove Footer Credit < 1.0.6 - CSRF to Stored Cross-Site Scripting
CVE-2021-24904 Mortgage Calculators WP < 1.56 - Admin+ Stored Cross-Site Scripting
CVE-2021-25014 Ibtana < 1.1.4.9 - Subscriber+ Settings Update to Stored XSS
CVE-2021-25018 PPOM for WooCommerce < 24.0 - Subscriber+ Settings Update to Stored XSS
CVE-2021-25033 Noptin < 1.6.5 - Open Redirect
CVE-2021-25050 Remove Footer Credit < 1.0.11 - Admin+ Stored Cross-Site Scripting
CVE-2021-25107 Form Store to DB < 1.1.1 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-25109 Futurio Extra < 1.6.3 - Authenticated SQL Injection
CVE-2021-25110 Futurio Extra < 1.6.3 - Subscriber+ User Email Address Disclosure
CVE-2022-0214 Popup | Custom Popup Builder < 1.3.1 - Unauthenticated Denial of Service
CVE-2022-0176 PowerPack Lite for Beaver Builder < 1.2.9.3 - Reflected Cross-Site Scripting
CVE-2022-0188 Coming Soon & Maintenance Plugin by NiteoThemes < 4.0.19 - Unauthenticated Arbitrary CSS U
CVE-2022-0190 Ad Invalid Click Protector (AICP) < 1.2.6 - Authenticated SQL Injection
CVE-2022-0193 Complianz - GDPR/CCPA Cookie Consent < 6.0.0 - Reflected Cross-Site Scripting
CVE-2022-0200 Themify Portfolio Post < 1.1.7 - Reflected Cross-Site Scripting
CVE-2022-0206 NewStatPress < 1.3.6 - Reflected Cross-Site Scripting
CVE-2022-0208 MapPress Maps for WordPress < 2.73.4 - Reflected Cross-Site scripting
CVE-2022-0212 SpiderCalendar <= 1.5.65 - Reflected Cross-Site Scripting

IV. Related Vulnerabilities

Same product: Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24874

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