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CVE-2026-93931

Status: DeferredCritical (9.8)—
Severity9.8Critical · CVSS 3.1
Exploitation probability0.31 %higher than 23% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Deserialization of Untrusted Data vulnerability in ThemeREX Group Smash smash allows Object Injection.This issue affects Smash: from n/a through 1.12.0.

CVSS

Base score
9.8
Version
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.31 %
Percentile among all scored CVEs
23
Score date
10/21/2026

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.

CWE-502 (deserialización de datos no fiados) en aplicación web con acceso de red sin autenticación (AV:N/PR:N/UI:N) y confidencialidad/integridad/disponibilidad completa permite inyección de objetos y ejecución de código remoto.

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

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Affected technologies (1)

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

Themerex — SmashAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-93931",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-93931",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-11T12:00:25.140963Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "audit@patchstack.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "ThemeREX Group",
          "product": "Smash",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.12.0"
            }
          ],
          "packageName": "smash",
          "collectionURL": "https://themeforest.net",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-10T08:17:05.427",
  "references": [
    {
      "url": "https://patchstack.com/database/wordpress/theme/smash/vulnerability/wordpress-smash-theme-1-12-0-php-object-injection-vulnerability?_s_id=cve",
      "source": "audit@patchstack.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "audit@patchstack.com",
      "description": [
        {
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          "value": "CWE-502"
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    {
      "lang": "en",
      "value": "Deserialization of Untrusted Data vulnerability in ThemeREX Group Smash smash allows Object Injection.This issue affects Smash: from n/a through 1.12.0."
    }
  ],
  "lastModified": "2026-10-13T13:28:15.717",
  "sourceIdentifier": "audit@patchstack.com"
}