Vulnerability-Lookup

GHSA-4773-89RR-MP32

Vulnerability from github – Published: 2026-09-11 12:33 – Updated: 2026-09-11 12:33

Details

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in UserGroups::setGroup_name() that fails to sanitize group_name input. Administrators with canAdminUserGroups permission can inject malicious HTML and JavaScript that executes in the browser when other administrators access the user manager interface.

Severity

8.1 (High)


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

9.2 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89243"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T12:16:53Z",
    "severity": "CRITICAL"
  },
  "details": "WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in UserGroups::setGroup_name() that fails to sanitize group_name input. Administrators with canAdminUserGroups permission can inject malicious HTML and JavaScript that executes in the browser when other administrators access the user manager interface.",
  "id": "GHSA-4773-89rr-mp32",
  "modified": "2026-09-11T12:33:25Z",
  "published": "2026-09-11T12:33:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89243"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/wwbn-avideo-stored-xss-via-usergroups-setgroup-name"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/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-2026-89243 (GCVE-0-2026-89243)

Vulnerability from cvelistv5 – Published: 2026-09-11 11:15 – Updated: 2026-09-11 12:42

Title

WWBN AVideo Stored XSS via UserGroups setGroup_name

Summary

Severity

9.2 (Critical)


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

8.1 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 12:42 UTC

CWE

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

Assigner

VulnCheck mitre root

References

2 references

URL	Tags
https://github.com/WWBN/AVideo/security/advisorie…	vendor-advisory
https://www.vulncheck.com/advisories/wwbn-avideo-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
WWBN	AVideo	Affected: 0 , ≤ c3edcc274c389816d434acadac07ee78eaf330c1 (git) cpe:2.3:a:wwbn:avideo:-:::::::*

Date Public

2026-08-27 00:00

Credits

santhreal

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JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-89243",
                "options": [
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                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T12:42:35.326474Z",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-11T12:42:57.021Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-qm3h-2jrx-xmg6"
          }
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        "title": "CISA ADP Vulnrichment"
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            }
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        },
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-4773-89RR-MP32

CVE-2026-89243 (GCVE-0-2026-89243)

Tags

Sightings

Nomenclature