CVE-2020-37255 (GCVE-0-2020-37255)

Vulnerability from cvelistv5 – Published: 2026-06-20 13:36 – Updated: 2026-06-21 12:35
VLAI
Title
WordPress Time Capsule Plugin 1.21.16 Authentication Bypass
Summary
WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header. Attackers can exploit this flaw to obtain valid administrator session cookies and access the WordPress dashboard without providing credentials.
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
Impacted products
Vendor Product Version
Wptimecapsule Time Capsule Plugin Affected: 0 , ≤ 1.21.16 (semver)
Create a notification for this product.
Date Public
2020-01-16 00:00
Credits
B. Canavate
Show details on NVD website

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          "vendor": "Wptimecapsule",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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      "credits": [
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        }
      ],
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      "problemTypes": [
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          "descriptions": [
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              "description": "Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-21T12:35:31.993Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
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          "name": "ExploitDB-47941",
          "tags": [
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          "url": "https://www.exploit-db.com/exploits/47941"
        },
        {
          "name": "Official Product Homepage",
          "tags": [
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          ],
          "url": "https://wptimecapsule.com/"
        },
        {
          "name": "VulnCheck Advisory: WordPress Time Capsule Plugin 1.21.16 Authentication Bypass",
          "tags": [
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      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2020-37255",
    "datePublished": "2026-06-20T13:36:53.086Z",
    "dateReserved": "2026-06-20T13:28:50.581Z",
    "dateUpdated": "2026-06-21T12:35:31.993Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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