Security readout for executives and security teams
Plain-English summary
CVE-2018-10516 affects CMS Made Simple through 2.2.7. An authenticated administrator can misuse the admin file rename function in a way that may expose sensitive configuration data and disrupt the site. The public sources do not provide a CVSS score, vendor fix details, or evidence of active exploitation.
Executive priority
Treat this as a targeted CMS administration risk, not a confirmed internet-wide emergency. Prioritize systems with public admin access, many administrators, or weak account controls, then confirm vendor remediation guidance before planning upgrades or compensating controls.
Technical view
The vulnerability is described as sensitive information disclosure in CMSMS admin dashboard file rename handling. The stated impact is denial of service by moving config.php into the upload directory. Exploitation requires admin-level access, so exposure is mainly from compromised, shared, or overprivileged CMS administrator accounts.
Likely exposure
Public-facing CMS Made Simple sites through 2.2.7 are relevant, but the vulnerability requires admin access. Risk is higher where multiple administrators exist, credentials are weak, admin access is internet-exposed, or uploads/configuration paths are web-accessible.
Exploitation context
The source bundle lists no CISA KEV entry and provides no cited evidence of active exploitation. Public reference material exists, but the available CVE data does not establish broad exploitation, unauthenticated access, or a vendor-confirmed patch.
Researcher notes
Evidence is limited to the CVE record and linked public reference. No CVSS, CWE, detailed affected CPEs, patch version, or active exploitation source is provided. The key constraint is authenticated admin access; validation should focus on version, admin exposure, and configuration-file handling.
Mitigation direction
- Identify CMS Made Simple installations and versions, especially through 2.2.7.
- Check CMS Made Simple vendor guidance for fixed versions or recommended configuration changes.
- Restrict CMS administrator access to trusted users and trusted networks.
- Review admin accounts for least privilege and remove stale access.
- Protect configuration files from web exposure using server controls.
Validation and detection
- Inventory CMSMS instances and confirm whether any run through version 2.2.7.
- Review whether admin dashboard access is externally reachable.
- Check for unexpected relocation or exposure of config.php.
- Audit recent administrator file-management actions where logs are available.
- Confirm configuration files are not downloadable from upload paths.
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.
CVE-2018-10516 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
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.