Vulnerability-Lookup

GHSA-JQX7-93J3-2XQF

Vulnerability from github – Published: 2026-06-19 00:31 – Updated: 2026-06-19 00:31

Details

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.

Severity

4.8 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

4.8 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-22674"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-18T22:16:30Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-jqx7-93j3-2xqf",
  "modified": "2026-06-19T00:31:36Z",
  "published": "2026-06-19T00:31:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22674"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hashgraph/guardian/pull/6190"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hashgraph/guardian/commit/ba8c566807848cf84360716438056d8d8d2c8362"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/hashgraph-guardian-stored-xss-via-branding-companyname-field"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-22674 (GCVE-0-2026-22674)

Vulnerability from cvelistv5 – Published: 2026-06-18 21:08 – Updated: 2026-06-23 11:39 X_Open Source

Title

Hashgraph Guardian Stored XSS via branding companyName field

Summary

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.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

4.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

VulnCheck

References

3 references

URL	Tags
https://github.com/hashgraph/guardian/pull/6190	issue-tracking
https://github.com/hashgraph/guardian/commit/ba8c…	patch
https://www.vulncheck.com/advisories/hashgraph-gu…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
hashgraph	guardian	Affected: 0 , ≤ 3.6.0 (semver) Unaffected: ba8c566807848cf84360716438056d8d8d2c8362 (git)

Date Public

2026-06-10 00:00

Credits

Christ Bouchuen

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-22674",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-22T14:42:27.377592Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-06-22T14:42:38.659Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "guardian",
          "repo": "https://github.com/hashgraph/guardian",
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              "lessThanOrEqual": "3.6.0",
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            },
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
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      "providerMetadata": {
        "dateUpdated": "2026-06-23T11:39:41.429Z",
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        },
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        },
        {
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    "datePublished": "2026-06-18T21:08:05.431Z",
    "dateReserved": "2026-01-08T19:04:26.365Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JQX7-93J3-2XQF

CVE-2026-22674 (GCVE-0-2026-22674)

Tags

Sightings

Nomenclature