Vulnerability Report

CVE-2017-8899

Title: Invisioncommunity Invision Power Board Cross-Site Scripting (XSS)

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2017-8899.

CWE Category CWE-79

Published Date May 11, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 8.1 CVSS v3.0

Exploit Probability (EPSS)

1.48%

Vulnerability Summary

CVE-2017-8899: Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has a composite of Stored XSS and Information Disclosure issues in the attachments feature found in User CP. This can be triggered by any Invision Power Board user and can be used to gain access to moderator/admin accounts. The primary cause is the ability to upload an SVG document with a crafted attribute such an onload; however, full path disclosure is required for exploitation.

Impacted Vendors

invision_power_services 1

invisioncommunity 1

Reference Links

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

CVSS v3.0

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns