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Vulnerability record · CVE-2021-41279 · published 26 November 2021

CVE-2021-41279: Basercms path traversal vulnerability

Basercms · Basercms

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.

8.8 CVSS 3.1 High EPSS 1.6% · top 24.9% CWE-22 · Path traversal
8.8CVSS 3.1 base score, v2 9.0
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/baserproject/basercms/commit/d8ab0a81a7bce35cc95ff7dff851a7e87a084336 PatchThird Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-4x2f-54wr-4hjg Third Party Advisory
https://github.com/baserproject/basercms/commit/d8ab0a81a7bce35cc95ff7dff851a7e87a084336 PatchThird Party Advisory
https://github.com/baserproject/basercms/security/advisories/GHSA-4x2f-54wr-4hjg Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-41279), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.