What this actually is.
Technical background, root cause, and affected surface.
A cross-site scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s browser while the browser is connected to a trusted web site. The application targets your users and not the application itself, but it uses your application as the vehicle for the attack. XSS payload is executed when the user tries to modify the value of the following mentioned variable in SilverStripe CMS & Framework v3.2.0 on 2 Places, whereas listed below along with screenshots for better understanding.
1. Locale
2. FailedLoginCount
- Vendor
- SilverStripe
- Affected Product
- SilverStripe
- CVE
- CVE-2015-8606
- Securin ID
- 2015-CSW-09-1009
- Status
- Fixed
- Date
- November 5, 2015
- Severity
- Medium
- CVSS Score
- 6.1
- Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CWE
- CWE-79
From one request
to root shell.
Reproduced in a sandboxed environment. Requires only LAN or WiFi adjacency.
Issue 1: The POST Request of the variable Locale in the new member form is vulnerable to XSS.
What an attacker does to you.
Post-exploitation outcomes mapped to CVSS impact metrics.
User’s session cookie & end-user files disclosure.
Hijack the user’s session & take over the account.
Installation of Trojan horse programs.
Redirection of the user to some other page or site.
Modification to the presentation of content
Fix it. In this order.
A runbook, not a checklist. Sequence matters — assume compromise before you act.
Download the patch release advised as per the vendor.
disclose@securin.ioVendors moved in days.
Attackers in hours.
Reconstructed from vendor advisories, CISA bulletins, and Securin research records.
Vulnerability Disclosure in SilverStripe CMS & Framework and Reported
Vendor Response
Vendor Released Fix
Public disclosed
CVE Assigned
Disclosed 11 days after discovery
Cite, verify, go deeper.
Primary sources — NVD, CISA KEV, and machine-readable IoC feed.