CVE-2017-9441

low

Published 2017-06-05 · Modified 2026-05-13

CVSS v3

2.7

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

CVSS v2

3.5

VIR risk

2.7

Description

Multiple cross-site scripting (XSS) vulnerabilities in BigTree CMS through 4.2.18 allow remote authenticated users to inject arbitrary web script or HTML by uploading a crafted package, triggering mishandling of the (1) title or (2) version or (3) author_name parameter in manifest.json. 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.

Predictions

Exploit likelihood

39%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/bigtreecms/BigTree-CMS/issues/290

Application impact

Vendor	Product	Versions	Fixed
bigtreecms	bigtree_cms	`{"endIncluding":"4.2.18"}`

References

CWEs

CWE-79

Verify integrity in audit chain (admin only). AS-IS.