WordPress Topcontent plugin <= 1.2.1 - Unauthenticated Stored XSS vulnerability

Unauthenticated Stored XSS vulnerability discovered by Naoki Kawahigashi in WordPress Plugin Topcontent versions = 1.2.1...

CVE-2026-88903

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 ha...

CVE-2026-88903

The Topcontent WordPress plugin versions through 1.2.1 is vulnerable to an unauthenticated stored XSS via a content webhook. The root cause is improper authorization of a request handler combined with the disabling of HTML sanitisation before storing submitted content. This allows unauthenticated...

EUVD-2026-96776

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 ha...

CVE-2026-88903 Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook

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 ha...

CVE-2026-88903 Topcontent <= 1.2.1 - Unauthenticated Stored XSS via Content Webhook

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 ha...

PT-2026-110050

Name of the Vulnerable Software and Affected Versions Topcontent versions prior to 1.2.2 Description An issue exists where a request handler is not properly authorized and HTML sanitization is disabled before storing submitted content. This allows unauthenticated attackers to publish arbitrary...

CVE-2026-88903: Improper Neutralization of Input During Web Page Generation

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 ha...