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CVE-2026-30940

🗓️ 31 Mar 2026 00:45:35Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 65 Views🌐 WEB

Path traversal in theme file API lets authenticated admin write files and risk code execution.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-30940
31 Mar 202600:45
–attackerkb
circl
Circl
CVE-2026-30940
30 Mar 202623:04
–circl
cnnvd
CNNVD
baserCMS security vulnerabilities
31 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-30940 baserCMS: Path Traversal in Theme File API Leads to Arbitrary File Write and RCE
31 Mar 202600:45
–cvelist
euvd
EUVD
EUVD-2026-108993
23 Oct 202613:41
–euvd
euvd
EUVD
EUVD-2026-17267
31 Mar 202622:47
–euvd
github
Github Security Blog
baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API
31 Mar 202622:47
–github
mend
Mend
CVE-2026-30940
31 Mar 202600:45
–mend
nvd
NVD
CVE-2026-30940
31 Mar 202601:16
–nvd
osv_cve
osv_cve
CVE-2026-30940 baserCMS: Path Traversal in Theme File API Leads to Arbitrary File Write and RCE
31 Mar 202600:45
–osv_cve
Rows per page
NVD
Vulners
Node
basercmsbasercmsRange<5.2.3
[
  {
    "vendor": "baserproject",
    "product": "basercms",
    "versions": [
      {
        "version": "< 5.2.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
pathpath/baser/api/admin/bc-theme-file/theme_files/add.jsonPath traversal in the theme file management API allows an authenticated administrator to write arbitrary PHP files to the filesystem via the 'path' parameter.CWE-22, CWE-73

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17 Jun 2026 10:33Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.2
EPSS0.01067
SSVC
65