CVE-2017-8898 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://zeroday.insecurity.zone/exploits/ipb_owned.txt https://twitter.com/insecurity/status/862154908895780864 https://twitter.com/sxcurity/status/862284967715381248

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8