Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-22674— Hashgraph Guardian Stored XSS via branding companyName field

Quick assessment

Affected
hashgraph guardian
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.

hashgraph guardian是hashgraph的区块链治理工具。 Hashgraph Guardian存在跨站脚本漏洞，该漏洞源于品牌配置API端点中未对companyName值进行清理，可能导致存储型跨站脚本攻击，允许STARDARD_REGISTRY角色的认证用户在每次页面加载时在浏览器中执行任意JavaScript脚本。

CVSS 4.8 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 2

VendorProduct Version RangeStatus
hashgraph guardian ≤ 3.6.0 affected
ba8c566807848cf84360716438056d8d8d2c8362 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-22674

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Hashgraph Guardian Stored XSS via branding companyName field
Source: CVE Program / CVE List V5
Vulnerability Description
Hashgraph Guardian through 3.6.0, fixed in commit ba8c566, contains a stored cross-site scripting vulnerability that allows authenticated users with the STANDARD_REGISTRY role to inject malicious scripts by submitting a crafted companyName value via the branding configuration API endpoint. Attackers can exploit the unsanitized innerHTML assignment in the branding service to execute arbitrary JavaScript in the browser of every authenticated user on every page load.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
Hashgraph Guardian 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
hashgraph guardian是hashgraph的区块链治理工具。 Hashgraph Guardian存在跨站脚本漏洞，该漏洞源于品牌配置API端点中未对companyName值进行清理，可能导致存储型跨站脚本攻击，允许STARDARD_REGISTRY角色的认证用户在每次页面加载时在浏览器中执行任意JavaScript脚本。
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
hashgraph guardian 0 ~ 3.6.0 -

II. Public POCs for CVE-2026-22674

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-22674

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-22674 (2)

Vendor Advisories for CVE-2026-22674 (1)

IV. Related Vulnerabilities

Same product: guardian
Same vendor: hashgraph
Same weakness: CWE-79

V. Comments for CVE-2026-22674

No comments yet

Leave a comment