hashgraph guardian up to 3.6.0 Branding Configuration API Endpoint cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k2.13-

Summaryinfo

A vulnerability was found in hashgraph guardian up to 3.6.0. It has been declared as problematic. This affects an unknown part of the component Branding Configuration API Endpoint. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-22674. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in hashgraph guardian up to 3.6.0 and classified as problematic. Affected by this issue is some unknown processing of the component Branding Configuration API Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

Hashgraph Guardian through 3.5.0, 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.

The weakness was presented by Christ Bouchuen. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-22674 since 01/08/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading eliminates this vulnerability. Applying the patch ba8c566807848cf84360716438056d8d8d2c8362 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Patch: ba8c566807848cf84360716438056d8d8d2c8362

Timelineinfo

01/08/2026 CVE reserved
06/19/2026 +161 days Advisory disclosed
06/19/2026 +0 days VulDB entry created
06/19/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Researcher: Christ Bouchuen
Status: Confirmed

CVE: CVE-2026-22674 (🔒)
GCVE (CVE): GCVE-0-2026-22674
GCVE (VulDB): GCVE-100-372308

Entryinfo

Created: 06/19/2026 07:56
Changes: 06/19/2026 07:56 (78)
Complete: 🔍
Cache ID: 216::103

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