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OpenAdvisories
High · 8.8 CVE-2026-88903 EUVD-2026-96776GHSA-vrpv-vc9c-j35f

Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook

Published Oct 11, 2026 · Updated Oct 11, 2026 · Assigned by WPScan

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.

Affected products

VendorProductAffectedFixed
— Topcontent ≤ 1.2.1 —

References