CVE-2026-89191

Status: DeferredMedium (6.8)—

Unsanitised input in the "template name" field of SQLView KRIS's Workflow Template feature is rendered in "onclick" attributes on the main dashboard without proper server-side sanitisation, allowing an attacker with administrative access to inject and store malicious scripts that execute in the browsers of affected users.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Base score: 6.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.24%
Percentile among all scored CVEs: 13
Score date: 10/13/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1203 Exploitation for Client Executionexecution85 %
Primary impactT1059.007 JavaScriptexecution80 %
Secondary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access65 %

XSS almacenado en campo 'template name' requiere UI:R y acceso administrativo; T1203 (ejecución en cliente por interacción). Impactos: JavaScript en navegador (T1059.007) y potencial robo de credenciales/sesiones de usuarios afectados (T1078).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Application Developer Guidance Active Directory Configuration User Training User Account Management Restrict Web-Based Content Privileged Account Management

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Sqlview — Kris^AI

CWEs

CWE-79

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-136/

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-89191",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-89191",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-08T13:18:07.526627Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4",
      "affectedData": [
        {
          "vendor": "SQLView",
          "product": "SQLView KRIS",
          "versions": [
            {
              "status": "affected",
              "version": "4.6.4.4 and below"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
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  ],
  "published": "2026-10-08T09:16:42.413",
  "references": [
    {
      "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-136/",
      "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"
    }
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  "vulnStatus": "Deferred",
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      "description": [
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    {
      "lang": "en",
      "value": "Unsanitised input in\nthe \"template name\" field of SQLView KRIS's Workflow Template feature\nis rendered in \"onclick\" attributes on the main dashboard without\nproper server-side sanitisation, allowing an attacker with administrative\naccess to inject and store malicious scripts that execute in the browsers of\naffected users."
    }
  ],
  "lastModified": "2026-10-08T21:35:53.890",
  "sourceIdentifier": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"
}