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CVE-2026-44541— Fides: DOM-based XSS vulnerability in fides.js via fides_description override

Quick assessment

Affected
ethyca fides
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.

Fides是Ethyca开源的一个开源隐私工程平台，用于管理运行时环境中数据隐私请求的实现以及代码中隐私法规的执行。 Fides 2.33.0版本至2.84.5之前版本存在跨站脚本漏洞，该漏洞源于fides.js中的fides_description覆盖存在基于DOM的跨站脚本漏洞。

AI Predicted 6.1 Difficulty: Easy EPSS 0.52% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
ethyca fides >= 2.33.0, < 2.84.5 affected
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I. Basic Information for CVE-2026-44541

Vulnerability Information
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Vulnerability Title
Fides: DOM-based XSS vulnerability in fides.js via fides_description override
Source: CVE Program / CVE List V5
Vulnerability Description
Fides is an open-source privacy engineering platform. From version 2.33.0 to before version 2.84.5, there is a DOM-based XSS vulnerability in fides.js via the fides_description override. This issue has been patched in version 2.84.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA: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
Fides 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fides是Ethyca开源的一个开源隐私工程平台，用于管理运行时环境中数据隐私请求的实现以及代码中隐私法规的执行。 Fides 2.33.0版本至2.84.5之前版本存在跨站脚本漏洞，该漏洞源于fides.js中的fides_description覆盖存在基于DOM的跨站脚本漏洞。
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
ethyca fides >= 2.33.0, < 2.84.5 -

II. Public POCs for CVE-2026-44541

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III. Intelligence Information for CVE-2026-44541

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Vendor Advisories for CVE-2026-44541 (1)

Vendor Pages for CVE-2026-44541 (1)

IV. Related Vulnerabilities

Same product: fides
Same vendor: ethyca
Same weakness: CWE-79

V. Comments for CVE-2026-44541

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