TI-2017-05940 Aliases CVE-2017-8384 GHSA-9mcw-mwxv-grwj

Craft CMS before 2.6.2976 allows XSS attacks because an array returned by…

LOW 29CWE-79Published 2017-05-01 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00838 58th percentileScored 2026-11-07

Fix Fixed craftcms/cms (Packagist): 2.6.2976

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	craftcms/cms (Packagist)	before 2.6.2976	2.6.2976	Patch available	GHSA-9mcw-mwxv-grwj

— Vendor— Affected all versions Fixed in — No fix listed CNA
craftcms/cms (Packagist) Vendor— Affected before 2.6.2976 Fixed in 2.6.2976 Patch available GHSA-9mcw-mwxv-grwj

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:craftcms:craft_cms::::::::	up to 2.6.2974	Vulnerable	Craft CMS

cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* Versions up to 2.6.2974 Vulnerable ·Craft CMS

Remediation

Fix · GHSA-9mcw-mwxv-grwj craftcms/cms (Packagist) Fixed in 2.6.2976 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2017-8384
2026-10-03 Alias added: GHSA-9mcw-mwxv-grwj

References

Advisory 3

Other 1

https://github.com/craftcms/cms

TI-2025-23503 Craft CMS Allows Remote Code Execution KEVCVSS 3.1CRITICAL 10.0
TI-2024-37138 RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms KEVCVSS 4.0CRITICAL 9.3
TI-2025-16994 Potential RCE with a compromised security key in craft/cms KEVCVSS 3.1HIGH 8.1
TI-2025-24595 Craft CMS stores user-provided content in session files KEVCVSS 4.0MEDIUM 6.9
TI-2023-22284 Craft CMS Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
TI-2024-25171 Craft CMS up to v3.7.31 was discovered to contain a SQL injection vulnerability via the GraphQL API endpoint. CVSS 3.1CRITICAL 9.8

See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences