Security readout for executives and security teams
Plain-English summary
CMS Made Simple through 2.2.7 has an admin-dashboard module import flaw that can lead to remote code execution. The attacker must have admin access, but compromise of an admin account could turn a website management action into server-side code execution. Public exploit references exist, but the provided sources do not show active exploitation.
Executive priority
Prioritize remediation for internet-facing CMSMS sites or environments where admin credentials may be exposed. This is not KEV-confirmed active exploitation, but public exploit material and code execution impact make delayed action risky for affected websites.
Technical view
The vulnerable module import operation accepts an XML Package whose data element can contain base64-encoded PHP code. In CMSMS through 2.2.7, an authenticated administrator can use that path to execute code on the server. The source bundle provides no CVSS, CWE, or vendor-fixed-version detail.
Likely exposure
Exposure is likely limited to CMS Made Simple installations running through version 2.2.7 where an attacker has administrator access or can compromise an admin account. Public-facing admin panels, weak credentials, reused passwords, or excessive admin privileges increase practical risk.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle. Exploit-DB and a public GitHub reference are cited, so proof-of-concept information is public. Treat this as publicly known but not source-confirmed as actively exploited.
Researcher notes
Evidence supports authenticated administrator remote code execution through module import in CMSMS through 2.2.7. The bundle lacks CVSS, CWE, detailed vendor advisory, patch version, and exploitation-in-the-wild confirmation. Do not assume unauthenticated exploitability from these sources.
Mitigation direction
- Inventory all CMS Made Simple deployments and identify versions through 2.2.7.
- Check CMS Made Simple vendor guidance for the fixed release or supported upgrade path.
- Restrict admin dashboard access to trusted networks and required personnel.
- Review and reduce administrator accounts, especially stale or shared accounts.
- Avoid importing untrusted CMSMS module XML packages.
Validation and detection
- Confirm the exact CMS Made Simple version on each deployment.
- Review admin account lists for unknown, stale, or excessive privileges.
- Check administrative logs for unexpected module import activity.
- Review installed modules for untrusted or recently imported packages.
- Confirm access controls protect the CMSMS admin dashboard.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-10517 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/itodaro/cmsms_cve/blob/master/README.mdCVE reference · x_refsource_MISC
- 45793CVE reference · exploit, x_refsource_EXPLOIT-DB
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.