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1 vulnerability found for Topcontent by Unknown

CVE-2026-88903 (GCVE-0-2026-88903)
Vulnerability from cvelistv5
Published
2026-10-11 06:00
Modified
2026-10-11 11:32
Summary
The Topcontent WordPress plugin through 1.2.1 does not properly authorise one of its request handlers and disables HTML sanitisation before storing the submitted content, allowing unauthenticated attackers to publish arbitrary posts containing malicious JavaScript on any site where its API key has never been configured.
References
Impacted products
Vendor Product Version
Unknown Topcontent Version: 0   ≤ 1.2.1
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Show details on NVD website


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              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
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                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    "cna": {
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          "product": "Topcontent",
          "vendor": "Unknown",
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              "status": "affected",
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      "credits": [
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        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Topcontent \u003c= 1.2.1 - Unauthenticated Stored XSS via Content Webhook",
      "x_generator": {
        "engine": "WPScan CVE Generator"
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  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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    "dateReserved": "2026-09-10T12:14:29.360Z",
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