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CVE-2024-46976— Circumvention of cross site scripting Protection in @backstage/plugin-techdocs-backend

Quick assessment

Affected
backstage backstage
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.

Backstage是一个应用软件。后台是一个开放的平台,用于构建开发者门户。 Backstage 1.10.13存在安全漏洞，该漏洞源于TechDocs存储桶内容受控于攻击者时，能够在TechDocs内容中注入可在受害者浏览器中执行的脚本，当用户浏览文档或导航到攻击者提供的链接时，脚本将会被执行。

CVSS 6.5 · Medium EPSS 0.29% · P20
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I. Basic Information for CVE-2024-46976

Vulnerability Information
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Vulnerability Title
Circumvention of cross site scripting Protection in @backstage/plugin-techdocs-backend
Source: CVE Program / CVE List V5
Vulnerability Description
Backstage is an open framework for building developer portals. An attacker with control of the contents of the TechDocs storage buckets is able to inject executable scripts in the TechDocs content that will be executed in the victim's browser when browsing documentation or navigating to an attacker provided link. This has been fixed in the 1.10.13 release of the `@backstage/plugin-techdocs-backend` package. users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
Backstage 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Backstage是一个应用软件。后台是一个开放的平台,用于构建开发者门户。 Backstage 1.10.13存在安全漏洞，该漏洞源于TechDocs存储桶内容受控于攻击者时，能够在TechDocs内容中注入可在受害者浏览器中执行的脚本，当用户浏览文档或导航到攻击者提供的链接时，脚本将会被执行。
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
backstage backstage < 1.10.13 -

II. Public POCs for CVE-2024-46976

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III. Intelligence Information for CVE-2024-46976

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Same Patch Batch · backstage · 2024-09-17 · 3 CVEs total

CVE-2024-45816 6.5 MEDIUM Storage bucket Directory Traversal in @backstage/plugin-techdocs-backend
CVE-2024-45815 6.5 MEDIUM Prototype pollution in @backstage/plugin-catalog-backend

IV. Related Vulnerabilities

Same product: backstage
Same vendor: backstage
Same weakness: CWE-693

V. Comments for CVE-2024-46976

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