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CVE-2021-27909— XSS vulnerability on password reset page

Quick assessment

Affected
Mautic Mautic
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mautic是一款开源的营销自动化软件。该软件能够监控管理网站、发送电子邮件并管理客户资源。 Mautic 存在跨站脚本漏洞，该漏洞源于 Mautic 的密码重置页面上存在 XSS 漏洞，其中 URL 中的易受攻击的参数 bundle 可能允许攻击者执行 Javascript 代码。 攻击者需要说服或诱骗目标点击使用易受攻击参数的密码重置 URL。

CVSS 6.3 · Medium EPSS 4.07% · P90

Public Exploits 1

Nuclei · 1 CVE-2021-27909.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-27909

Vulnerability Information
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Vulnerability Title
XSS vulnerability on password reset page
Source: CVE Program / CVE List V5
Vulnerability Description
For Mautic versions prior to 3.3.4/4.0.0, there is an XSS vulnerability on Mautic's password reset page where a vulnerable parameter, "bundle," in the URL could allow an attacker to execute Javascript code. The attacker would be required to convince or trick the target into clicking a password reset URL with the vulnerable parameter utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
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
Mautic 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mautic是一款开源的营销自动化软件。该软件能够监控管理网站、发送电子邮件并管理客户资源。 Mautic 存在跨站脚本漏洞，该漏洞源于 Mautic 的密码重置页面上存在 XSS 漏洞，其中 URL 中的易受攻击的参数 bundle 可能允许攻击者执行 Javascript 代码。 攻击者需要说服或诱骗目标点击使用易受攻击参数的密码重置 URL。
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
Mautic Mautic unspecified ~ 3.3.4 -

II. Public POCs for CVE-2021-27909

# POC Description Source Link Shenlong Link
1 Mautic before 3.3.4 contains a cross-site scripting vulnerability on the password reset page in the bundle parameter of the URL. An attacker can inject arbitrary script, steal cookie-based authentication credentials, and/or launch other attacks. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27909.yaml POC Details
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III. Intelligence Information for CVE-2021-27909

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Vendor Advisories for CVE-2021-27909 (1)

Same Patch Batch · Mautic · 2021-08-30 · 5 CVEs total

CVE-2021-27911 8.3 HIGH XSS vulnerability on contacts view
CVE-2021-27910 8.2 HIGH Stored XSS vulnerability on Bounce Management Callback
CVE-2021-27912 7.1 HIGH XSS vulnerability on asset view
CVE-2021-27913 3.5 LOW Use of a Broken or Risky Cryptographic Algorithm

IV. Related Vulnerabilities

Same product: Mautic
Same vendor: Mautic
Same weakness: CWE-79

V. Comments for CVE-2021-27909

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