Vulnerability · Published Nov 26, 2021 · Assigned by GitHub_M
CVE-2021-41279Zip Slip Vulnerability in BaserCMS
High 7.7
In plain English
A high-severity path traversal in basercms from baserproject. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
BaserCMS is an open source content management system with a focus on Japanese language support. In affected versions users with upload privilege may upload crafted zip files capable of path traversal on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | baserproject/basercms | 4.5.4 | GHSA-4x2f-54wr-4hjg |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| baserproject | basercms | < 4.5.3 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N