Critical severity9.1NVD Advisory· Published Nov 26, 2021· Updated Jun 17, 2026
CVE-2021-41243
CVE-2021-41243
Description
There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
baserproject/basercmsPackagist | < 4.5.4 | 4.5.4 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ffnvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-7rpc-9m88-cf9wghsaADVISORY
- github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9wnvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-41243ghsaADVISORY
News mentions
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