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CVE-2026-39575 WordPress Custom Query Blocks plugin <= 5.5.0 - Cross Site Scripting (XSS) vulnerability

🗓️ 08 Apr 2026 08:30:20Reported by PatchstackType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

CVE-2026-39575 enables DOM-based XSS in Custom Query Blocks up to 5.5.0 via post-type-archive-mapping

Related
Affected
Refs
[
  {
    "collectionURL": "https://wordpress.org/plugins",
    "defaultStatus": "unaffected",
    "packageName": "post-type-archive-mapping",
    "product": "Custom Query Blocks",
    "vendor": "Ronald Huereca",
    "versions": [
      {
        "changes": [
          {
            "at": "5.6.0",
            "status": "unaffected"
          }
        ],
        "lessThanOrEqual": "5.5.0",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

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29 Apr 2026 09:52Current
CVSS 3.16.5
EPSS0.00224
SSVC
34