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CVE Record

CVE-2018-6518: Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /...

Composr CMS 10.0.13 has XSS via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Composr CMS 10.0.13 is reported to allow cross-site scripting through the site_name value in an admin setup wizard request. This could let an attacker run browser-side script in a victim’s session if the vulnerable flow is reachable. The source bundle does not provide a severity score, patch status, or evidence of active exploitation.

Executive priority

Prioritize discovery first. If Composr CMS 10.0.13 is exposed, reduce access quickly and seek vendor remediation. Without evidence of active exploitation or a severity score, this is not enough alone to justify emergency response across unrelated systems.

Technical view

CVE-2018-6518 describes XSS in Composr CMS 10.0.13 via the site_name parameter in a page=admin-setupwizard&type=step3 request to /adminzone/index.php. No CVSS, CWE, affected CPEs, authentication conditions, or remediation details are provided in the supplied sources.

Likely exposure

Likely exposure is limited to Composr CMS 10.0.13 installations where the admin setup wizard route is present and reachable. The bundle does not identify other affected versions, default reachability, required privileges, or whether the vulnerable setup path normally remains enabled after installation.

Exploitation context

The CVE references a public GitHub write-up, but the supplied data does not show CISA KEV listing or confirmed active exploitation. Treat public awareness as a reason to investigate, not as proof of attacks in the wild.

Researcher notes

The record is sparse: affected product fields are n/a, CVSS and CWE are absent, and the only vulnerability detail is the site_name XSS location. Avoid broad claims about versions, exploitability, or fixes unless additional vendor or advisory evidence is obtained.

Mitigation direction

  • Inventory Composr CMS deployments and confirm whether version 10.0.13 is present.
  • Restrict admin zone and setup wizard access to trusted administrators only.
  • Check Composr or vendor guidance for fixed versions or supported upgrade paths.
  • Disable or remove setup wizard functionality if no longer operationally required.
  • Monitor web logs for suspicious requests to /adminzone/index.php setup wizard paths.

Validation and detection

  • Confirm whether Composr CMS 10.0.13 exists in production, staging, or legacy hosts.
  • Verify whether /adminzone/index.php setup wizard routes are reachable from untrusted networks.
  • Review application configuration for completed-installation controls around setup wizard access.
  • Check patch records and release notes for remediation applied after April 26, 2018.
  • Inspect logs for unexpected requests containing page=admin-setupwizard and type=step3.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2018-6518 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.