CVE-2017-8898 Cross-site scripting in n/a
Stored XSS in IPS Community Suite allows moderators to escalate privileges to admin via the announcements feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-8898?
CVE-2017-8898 is a critical cross-site scripting vulnerability in n/a, published on 11 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2017-8898?
It affects 1 product.
Products include Invisioncommunity Invision Power Board.
How do I fix CVE-2017-8898?
No fix has been published for CVE-2017-8898 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-8898 being exploited?
There is no known exploitation of CVE-2017-8898 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vmjh-562q-x3v3.