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CVE-2026-63685

Status: DeferredHigh (8.8)—

Joomla Extension - regularlabs.com - Authorization bypass in DB Replacer extension - Administrator routes and replacement requests did not consistently require Super User permission and a valid token. An unauthorized backend user or CSRF attack could perform database replacements, potentially causing major data corruption or site compromise.

CVSS

Exploitation probability (EPSS)

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.

UI:R + web indica interacción del usuario (phishing CSRF); impacto: corrupción de datos en BD (T1565.001) y acceso no autorizado como admin (T1078.001) por bypass de autorización.

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

Restrict File and Directory PermissionsPassword PoliciesRemote Data StorageMulti-factor AuthenticationEncrypt Sensitive InformationApplication Isolation and Sandboxing

Affected technologies (1)

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

Regularlabs — DB ReplacerAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-63685",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-63685",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-27T18:40:38.416986Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@joomla.org",
      "affectedData": [
        {
          "vendor": "regularlabs.com",
          "product": "DB Replacer extension for Joomla",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0-8.2.7"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-07-22T21:18:10.130",
  "references": [
    {
      "url": "https://regularlabs.com/",
      "source": "security@joomla.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@joomla.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Joomla Extension - regularlabs.com - Authorization bypass in DB Replacer extension - Administrator routes and replacement requests did not consistently require Super User permission and a valid token. An unauthorized backend user or CSRF attack could perform database replacements, potentially causing major data corruption or site compromise."
    }
  ],
  "lastModified": "2026-07-27T19:17:20.923",
  "sourceIdentifier": "security@joomla.org"
}