XSS in Invisioncommunity Invision Power Board

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-8899?
CVE-2017-8899 is a high-severity vulnerability in Invisioncommunity Invision Power Board, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2017-05-11.
How severe is CVE-2017-8899?
High severity. CVSS v3 base score is 8.1 out of 10.