LiveActive security incident?Get immediate response
CVE Record

CVE-2018-20520: MiniCMS V1.10 has XSS via the mc-admin/post-edit.php query string, a related issue to CVE-2018-10296 and CV...

MiniCMS V1.10 has XSS via the mc-admin/post-edit.php query string, a related issue to CVE-2018-10296 and CVE-2018-16233.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-20520 is a reported cross-site scripting issue in MiniCMS V1.10. It involves the admin post editing page query string. If exploitable in a deployed admin interface, it could let malicious script run in an administrator’s browser. The public record is sparse and does not provide severity scoring.

Executive priority

Treat as a targeted web-admin risk, not a confirmed widespread emergency. Prioritize if MiniCMS V1.10 is internet-facing or used by privileged administrators.

Technical view

The CVE describes XSS via the mc-admin/post-edit.php query string in MiniCMS V1.10, related to CVE-2018-10296 and CVE-2018-16233. The source bundle does not include CVSS, CWE, CPE, patch details, or affected-version metadata beyond the description.

Likely exposure

Exposure is most likely limited to organizations running MiniCMS V1.10 with the mc-admin interface reachable by administrators. The bundle does not identify broader products, hosted services, or confirmed CPEs.

Exploitation context

The issue is publicly documented in CVE records and a GitHub issue reference. The source bundle does not indicate CISA KEV listing, active exploitation, exploit maturity, or observed attacks.

Researcher notes

Evidence is incomplete: no CVSS, CWE, CPE, or patch metadata is provided. Validate scope directly against MiniCMS V1.10 and the referenced GitHub issue, and avoid assuming other MiniCMS versions are affected.

Mitigation direction

  • Inventory MiniCMS deployments and confirm whether V1.10 is in use.
  • Restrict access to mc-admin paths to trusted administrators and networks.
  • Review vendor or project guidance for any available fix or maintained release.
  • If no maintained fix exists, plan replacement or compensating controls.

Validation and detection

  • Check deployed MiniCMS version against the reported V1.10 description.
  • Confirm whether mc-admin/post-edit.php is accessible in production.
  • Review local code or vendor guidance for query string output handling.
  • Check logs for suspicious admin-page requests without sharing payload details.
Prepared
Confidence
medium
Sources
3

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2018-20520 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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.