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CVE-2026-73262— Prowler: Stored XSS in HTML reports through unescaped cloud resource tags

Quick assessment

Affected
prowler-cloud prowler
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.

Prowler是Prowler组织开源的一个网络安全审计工具。 Prowler 5.37.0之前版本存在跨站脚本漏洞，该漏洞源于HTML输出格式化程序未对resource_tags进行HTML转义，可能导致能够修改云资源标签的云主体存储HTML或JavaScript，当其他用户打开报告时执行。

CVSS 5.4 · Medium EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
prowler-cloud prowler < 5.37.0 affected
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I. Basic Information for CVE-2026-73262

Vulnerability Information
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Vulnerability Title
Prowler: Stored XSS in HTML reports through unescaped cloud resource tags
Source: CVE Program / CVE List V5
Vulnerability Description
Prowler is a cloud security platform. Prior to 5.37.0, Prowler's HTML output formatter in prowler/lib/outputs/html/html.py inserted finding.resource_tags, assembled by unroll_dict and parse_html_string, into generated reports without HTML escaping, allowing a cloud principal who can modify a scanned resource tag to store HTML or JavaScript that executes when another user opens the report. This issue is fixed in version 5.37.0.
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: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
Prowler 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Prowler是Prowler组织开源的一个网络安全审计工具。 Prowler 5.37.0之前版本存在跨站脚本漏洞，该漏洞源于HTML输出格式化程序未对resource_tags进行HTML转义，可能导致能够修改云资源标签的云主体存储HTML或JavaScript，当其他用户打开报告时执行。
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
prowler-cloud prowler < 5.37.0 -

II. Public POCs for CVE-2026-73262

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III. Intelligence Information for CVE-2026-73262

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Patches & Fixes for CVE-2026-73262 (2)

Vendor Advisories for CVE-2026-73262 (1)

Same Patch Batch · prowler-cloud · 2026-08-12 · 3 CVEs total

CVE-2026-73263 9.9 CRITICAL Prowler: RCE on Prowler App workers via kubeconfig auth-provider cmd-path
CVE-2026-73264 7.6 HIGH Prowler: Server-Side Request Forgery (SSRF) in Lighthouse Provider

IV. Related Vulnerabilities

Same product: prowler
Same vendor: prowler-cloud
Same weakness: CWE-79

V. Comments for CVE-2026-73262

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