CVE-2017-8898: Invisioncommunity Invision Power Board

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has stored XSS in the Announcements, allowing privilege escalation from an Invision Power Board moderator to an admin. An attack uses the announce_content parameter in an index.php?/modcp/announcements/&action=create request. This is related to the "<> Source" option.

Affected products

• Invisioncommunity Invision Power Board: up to and including 4.1.19.2

Published 2017-05-11. Last modified 2026-06-17.