BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\admin\modules\developer\extensions\install\unpack.php and core\admin\modules\developer\packages\install\unpack.php. NOTE: the vendor states "You must implicitly trust any package or extension you install as they all have the ability to write PHP files.
Why it matters now
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:* | up to 4.2.18 | Vulnerable | Bigtreecms |
- cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:* Versions up to 4.2.18 Vulnerable ·Bigtreecms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9442
- 2026-10-03 Alias added: GHSA-p7mq-8f2g-rj56
References
More Bigtreecms Bigtree Cms vulnerabilities
- TI-2017-06855 BigTree CMS through 4.2.18 allows remote authenticated users to conduct SQL injection… CVSS 3.1HIGH 8.8
- TI-2023-24036 Cross Site Scripting vulnerability in BigTree CMS v.4.5.7 allows a remote attacker to… CVSS 3.1MEDIUM 5.4
- TI-2017-06853 Multiple cross-site scripting (XSS) vulnerabilities in BigTree CMS through 4.2.18 allow… CVSS 3.1LOW 2.7
- TI-2018-07467 site/index.php/admin/trees/add/ in BigTree 4.2.22 and earlier allows remote attackers to… CVSS 3.0CRITICAL 9.8
- TI-2017-05331 Unrestricted File Upload exists in BigTree CMS before 4.2.17: if an attacker uploads an… CVSS 3.0CRITICAL 9.8
- TI-2017-06788 Unrestricted File Upload exists in BigTree CMS through 4.2.18: if an attacker uploads an… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2017-9442 · CVE Program
- CVE-2017-9442 · NVD
- FIRST EPSS
- GHSA-p7mq-8f2g-rj56 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences