High severity7.6NVD Advisory· Published Aug 28, 2020· Updated Jun 17, 2026
CVE-2020-15159
CVE-2020-15159
Description
baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7.
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 | >= 4.0.0, < 4.3.7 | 4.3.7 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66dnvdPatchThird Party AdvisoryWEB
- github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpwnvdPatchThird Party AdvisoryWEB
- basercms.net/security/20200827nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-673x-f5wx-fxpwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-15159ghsaADVISORY
News mentions
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