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High

WordPress Simple Event Planner plugin <= 1.5.7 - PHP Object Injection vulnerability

Type: advisorySource: Official CVE List1 source record

Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.This issue affects Simple Event Planner: from n/a through 1.5.7.

Announced Source revision 1
Original source ↗

CVE-2026-97257

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-97257

Simple Event Planner

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "PressTigers",
    "product": "Simple Event Planner",
    "versions": [
      {
        "status": "affected",
        "changes": [
          {
            "at": "1.5.8",
            "status": "unaffected"
          }
        ],
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "1.5.7"
      }
    ],
    "packageName": "simple-event-planner",
    "collectionURL": "https://wordpress.org/plugins",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-97257

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#9195 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement