Medium severity · published May 1, 2017
CVE-2017-8384
Craft CMS before 2.6.2976 allows XSS attacks because an array returned by HttpRequestService::getSegments() and getActionSegments() need not be zero-based
6.1
CVSS
0.8%
EPSS
No
On KEV
Description
Craft CMS before 2.6.2976 allows XSS attacks because an array returned by HttpRequestService::getSegments() and getActionSegments() need not be zero-based. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-8052.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Craft Cms · Craftcms
through 2.6.2974 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8384
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8384
Release Notes
https://craftcms.com/changelog#2-6-2976
Vendor Advisory
https://twitter.com/CraftCMS/status/857743080224473088
More from Craft Cms
10.0
CVE-2025-32432
Craft CMS Allows Remote Code Execution
9.8
CVE-2024-56145
RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms
8.1
CVE-2025-23209
Potential RCE with a compromised security key in craft/cms
5.3
CVE-2025-35939
Craft CMS stores user-provided content in session files
9.8
CVE-2026-32267
Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()