CVE-2017-8384 json
Craft CMS XSS Vulnerability
published 2017-05-01 9 y ago modified 2026-06-17 4 mo ago also GHSA-9mcw-mwxv-grwj , EUVD-2022-3413
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
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.
Patch / fix
- packagist craftcms/cms 2.6.2976
Exploit prediction
0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | craftcms/cms | <2.6.2976 |
2.6.2976 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
craftcms.com
/changelog#2-6-2976
web, release-notes, vendor-advisory
-
twitter.com
/CraftCMS/status/857743080224473088
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-8384
advisory
-
github.com
/craftcms/cms
package
Sources
- CVE List CVE-2017-8384
- GitHub Advisory GHSA-9mcw-mwxv-grwj
- NVD CVE-2017-8384
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