What is CVE-2017-8898?

CVE-2017-8898 is a critical-severity vulnerability in Invisioncommunity Invision Power Board, classified under Cross-site Scripting. CVSS score: 9.8/10. Published 2017-05-11.

How severe is CVE-2017-8898?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XSS in Invisioncommunity Invision Power Board

CVE-2017-8898

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Invisioncommunity Invision_power_board
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-8898?: CVE-2017-8898 is a critical-severity vulnerability in Invisioncommunity Invision Power Board, classified under Cross-site Scripting. CVSS score: 9.8/10. Published 2017-05-11.
How severe is CVE-2017-8898?: Critical severity. CVSS v3 base score is 9.8 out of 10.