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CVE-2021-32770— Basic-auth app bundle credential exposure in gatsby-source-wordpress

Quick assessment

Affected
gatsbyjs gatsby
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.

gatsby是一个应用软件。一个基于 React 的免费开源框架，可帮助开发人员构建极快的网站和应用程序。 gatsby存在安全漏洞，该漏洞源于 gatsby-source-wordpress 插件在构建时将 .htaccess HTTP 基本身份验证变量泄漏到 app.js 包中。

CVSS 7.5 · High EPSS 1.41% · P72

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-32770

Vulnerability Information
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Vulnerability Title
Basic-auth app bundle credential exposure in gatsby-source-wordpress
Source: CVE Program / CVE List V5
Vulnerability Description
Gatsby is a framework for building websites. The gatsby-source-wordpress plugin prior to versions 4.0.8 and 5.9.2 leaks .htaccess HTTP Basic Authentication variables into the app.js bundle during build-time. Users who are not initializing basic authentication credentials in the gatsby-config.js are not affected. A patch has been introduced in gatsby-source-wordpress@4.0.8 and gatsby-source-wordpress@5.9.2 which mitigates the issue by filtering all variables specified in the `auth: { }` section. Users that depend on this functionality are advised to upgrade to the latest release of gatsby-source-wordpress, run `gatsby clean` followed by a `gatsby build`. One may manually edit the app.js file post-build as a workaround.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
gatsby 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gatsby是一个应用软件。一个基于 React 的免费开源框架，可帮助开发人员构建极快的网站和应用程序。 gatsby存在安全漏洞，该漏洞源于 gatsby-source-wordpress 插件在构建时将 .htaccess HTTP 基本身份验证变量泄漏到 app.js 包中。
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
gatsbyjs gatsby < 4.0.8 -

II. Public POCs for CVE-2021-32770

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III. Intelligence Information for CVE-2021-32770

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Vendor Advisories for CVE-2021-32770 (1)

IV. Related Vulnerabilities

Same product: gatsby
Same vendor: gatsbyjs
Same weakness: CWE-200

V. Comments for CVE-2021-32770

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