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CVE-2022-29172— HTML injection with additional signup fields

Quick assessment

Affected
auth0 lock
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.

Auth0是是一个身份验证代理，支持社会和企业身份提供者，包括Active Directory、LDAP、谷歌Apps和Salesforce。 auth0-lock 11.32.2版本及之前版本存在安全漏洞，该漏洞源于当配置了附加注册字段功能时，攻击者可以将无效的 HTML 代码注入这些附加字段，攻击者利用该漏洞可通过注入 HTML 来制作恶意链接，然后在交付的电子邮件模板中将其呈现为收件人的姓名。

CVSS 6.1 · Medium EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-29172

Vulnerability Information
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Vulnerability Title
HTML injection with additional signup fields
Source: CVE Program / CVE List V5
Vulnerability Description
Auth0 is an authentication broker that supports both social and enterprise identity providers, including Active Directory, LDAP, Google Apps, and Salesforce. In versions before `11.33.0`, when the “additional signup fields” feature [is configured](https://github.com/auth0/lock#additional-sign-up-fields), a malicious actor can inject invalidated HTML code into these additional fields, which is then stored in the service `user_metdata` payload (using the `name` property). Verification emails, when applicable, are generated using this metadata. It is therefor possible for an actor to craft a malicious link by injecting HTML, which is then rendered as the recipient's name within the delivered email template. You are impacted by this vulnerability if you are using `auth0-lock` version `11.32.2` or lower and are using the “additional signup fields” feature in your application. Upgrade to version `11.33.0`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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
Auth0 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Auth0是是一个身份验证代理，支持社会和企业身份提供者，包括Active Directory、LDAP、谷歌Apps和Salesforce。 auth0-lock 11.32.2版本及之前版本存在安全漏洞，该漏洞源于当配置了附加注册字段功能时，攻击者可以将无效的 HTML 代码注入这些附加字段，攻击者利用该漏洞可通过注入 HTML 来制作恶意链接，然后在交付的电子邮件模板中将其呈现为收件人的姓名。
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
auth0 lock < 11.33.0 -

II. Public POCs for CVE-2022-29172

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III. Intelligence Information for CVE-2022-29172

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Patches & Fixes for CVE-2022-29172 (1)

Vendor Advisories for CVE-2022-29172 (1)

IV. Related Vulnerabilities

Same product: lock
Same vendor: auth0
Same weakness: CWE-79

V. Comments for CVE-2022-29172

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