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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.89% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- invisioncommunity/invision power board
- Source
- cve@mitre.org
EPSS 1.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://zeroday.insecurity.zone/exploits/ipb_owned.txtExploit, Third Party Advisory
- https://twitter.com/insecurity/status/862154908895780864Exploit, Third Party Advisory
- https://twitter.com/sxcurity/status/862284967715381248Exploit, Third Party Advisory
- http://zeroday.insecurity.zone/exploits/ipb_owned.txtExploit, Third Party Advisory
- https://twitter.com/insecurity/status/862154908895780864Exploit, Third Party Advisory
- https://twitter.com/sxcurity/status/862284967715381248Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.