CVE-2026-111040

Unrated

Published 2026-11-04 · last changed 2026-11-04

The fix

We hold no Microsoft remediation data for CVE-2026-111040, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

The platform allows persistent HTML injection into editable fields managed by TinyMCE. An authenticated attacker with low privileges can inject unsanitised HTML content which is stored in the database and subsequently rendered in other users’ browsers, affecting the display of content within the application.

Sources

NVD record for CVE-2026-111040