CVE-2026-57713

Status: DeferredHigh (8.8)—

Deserialization of Untrusted Data vulnerability in Marcus (aka @msykes) Events Manager events-manager allows Object Injection.This issue affects Events Manager: from n/a through <= 7.3.6.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base score: 8.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.46%
Percentile among all scored CVEs: 38
Score date: 10/2/2026

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 Command and Scripting Interpreterexecution80 %

CWE-502 (deserialización) con UI:R (requiere interacción) sugiere apertura de fichero malicioso. Impacto T1059 por inyección de objetos que permite ejecución de código arbitrario.

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 Web-Based Content Privileged Account Management Limit Software Installation Execution Prevention Behavior Prevention on Endpoint Disable or Remove Feature or Program

Affected technologies (1)

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

Marcus — Events Manager^AI

CWEs

CWE-502

References

https://patchstack.com/database/Wordpress/Plugin/events-manager/vulnerability/wordpress-events-manager-plugin-7-3-6-php-object-injection-vulnerability?_s_id=cve

Raw JSON (NVD)

Show

{
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  "metrics": {
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          "id": "CVE-2026-57713",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-13T13:59:04.455204Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
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        "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": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "Marcus (aka @msykes)",
          "product": "Events Manager",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "7.3.7",
                  "status": "unaffected"
                }
              ],
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "7.3.6"
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          ],
          "packageName": "events-manager",
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        }
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  ],
  "published": "2026-07-13T10:16:38.500",
  "references": [
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  "lastModified": "2026-07-13T16:57:56.050",
  "sourceIdentifier": "audit@patchstack.com"
}