Description
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.
Published: 2026-10-11
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 11 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-79

Sun, 11 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-11T06:00:16.273Z

Reserved: 2026-09-10T12:14:29.360Z

Link: CVE-2026-88903

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-11T07:17:27.377

Modified: 2026-10-11T07:17:27.377

Link: CVE-2026-88903

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T08:15:17Z

Weaknesses
  • CWE-284

    Improper Access Control

  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')