FKIE_CVE-2026-15402

Vulnerability from fkie_nvd - Published: 2026-09-15 07:16 - Updated: 2026-09-16 19:17
Severity
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Summary
The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter in all versions up to, and including, 4.1.23 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
References
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/post-model.php#L202
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.php#L297
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L253
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L516
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.php#L115
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/functions.php#L47
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/helper.php#L78
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/post-model.php#L202
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/AccessControl/Permission.php#L297
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L253
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L516
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/templates/event/schedule-list.php#L115
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/functions.php#L47
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/helper.php#L78
security@wordfence.comhttps://plugins.trac.wordpress.org/changeset?reponame=&old=3689867%40wp-event-solution&new=3689867%40wp-event-solution
security@wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/a07070b6-37d2-4ccf-ae81-a08ac7b76241?source=cve
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Eventin \u2013 Event Calendar, Tickets, Registration, Booking \u0026 WooCommerce",
          "vendor": "arraytics",
          "versions": [
            {
              "lessThanOrEqual": "4.1.23",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Eventin \u2013 Event Calendar, Event Registration, Tickets \u0026 Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via \u0027etn_shedule_objective\u0027 schedule_slot Parameter in all versions up to, and including, 4.1.23 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
    }
  ],
  "id": "CVE-2026-15402",
  "lastModified": "2026-09-16T19:17:06.140",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 2.7,
        "source": "security@wordfence.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-15402",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-16T18:58:57.189647Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-15T07:16:26.583",
  "references": [
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/post-model.php#L202"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.php#L297"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L253"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L516"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.php#L115"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/functions.php#L47"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/helper.php#L78"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/post-model.php#L202"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/AccessControl/Permission.php#L297"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L253"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L516"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/templates/event/schedule-list.php#L115"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/functions.php#L47"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/helper.php#L78"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3689867%40wp-event-solution\u0026new=3689867%40wp-event-solution"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a07070b6-37d2-4ccf-ae81-a08ac7b76241?source=cve"
    }
  ],
  "sourceIdentifier": "security@wordfence.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security@wordfence.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.



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