Security readout for executives and security teams
Plain-English summary
DBHcms v1.2.0 reportedly lets a logged-in administrator write arbitrary file content through the editor module. If abused, that access could place a webshell and turn CMS admin access into server-level compromise. The source bundle does not identify a CVSS score, patch, or active exploitation.
Executive priority
Treat this as a high-priority exposure where DBHcms v1.2.0 is in use, especially on public sites. The issue requires authenticated admin access, but successful abuse can escalate to full site compromise.
Technical view
The reported flaw is in dbhcms/mod/mod.editor.php. The application accepts $_POST['updatefile'] as a filename and $_POST['tinymce_content'] as file content without a security filter, enabling arbitrary file write by a remote authenticated admin user.
Likely exposure
Exposure is likely limited to organizations running DBHcms v1.2.0 with reachable administrative functionality. Risk rises sharply if admin accounts are shared, weakly protected, or accessible from the internet.
Exploitation context
The sources describe exploitation by a remote authenticated admin user to obtain a webshell. The bundle does not include KEV listing, active exploitation evidence, exploit prevalence, or a confirmed public patch.
Researcher notes
Evidence is sparse and CVSS/CWE metadata is absent in the provided bundle. The core claim is arbitrary file write from unsanitized POST parameters in mod.editor.php, with webshell impact when abused by an authenticated admin.
Mitigation direction
- Check DBHcms or project guidance for a fixed version or supported workaround.
- Restrict DBHcms admin access to trusted administrators and trusted networks.
- Retire or migrate DBHcms v1.2.0 if no supported fix is available.
- Review web directories for unexpected files created through editor functionality.
- Harden administrator authentication and remove unused admin accounts.
Validation and detection
- Inventory CMS deployments and confirm whether DBHcms v1.2.0 is present.
- Identify whether the DBHcms admin interface is internet reachable.
- Review dbhcms/mod/mod.editor.php for unsafe updatefile and tinymce_content handling.
- Audit admin activity and file creation history for suspicious changes.
- Check web roots for unexpected scripts or newly written files.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-19891 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/fragrant10/cve/tree/master/dbhcms1.2.0#14CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.