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CVE Record

CVE-2018-17026: admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page&name=erro...

admin/index.php in Monstra CMS 3.0.4 allows XSS via the page_meta_title parameter in an edit_page&name=error404 action, a different vulnerability than CVE-2018-10121.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Monstra CMS 3.0.4 has a reported cross-site scripting issue in an admin page field. If exploitable, it could let malicious script run in a user's browser while using the CMS. The source bundle does not provide severity scoring, patch status, or active exploitation evidence.

Executive priority

Treat this as a scoped CMS hygiene issue, not an emergency based on current evidence. Prioritize identification of Monstra CMS 3.0.4 deployments and admin exposure, then follow vendor remediation guidance if applicable.

Technical view

CVE-2018-17026 describes XSS in admin/index.php through the page_meta_title parameter during edit_page&name=error404 in Monstra CMS 3.0.4. It is stated to be distinct from CVE-2018-10121. Sources do not specify stored versus reflected behavior, CVSS, CWE, authentication requirements, or a confirmed fix.

Likely exposure

Exposure is most likely limited to organizations running Monstra CMS 3.0.4. The bundle does not identify other affected versions or products. Risk is higher if the CMS admin interface is reachable by untrusted users or shared content editors.

Exploitation context

CISA KEV status is false, and the provided sources do not show active exploitation. A public issue is referenced, but the bundle does not provide exploit maturity, required privileges, or real-world attack evidence.

Researcher notes

The record is sparse: no CVSS, CWE, patch, exploit status, or affected-version range beyond Monstra CMS 3.0.4 in the description. Avoid broad claims until the GitHub issue or vendor history confirms behavior and remediation.

Mitigation direction

  • Check Monstra CMS vendor or project guidance for a fixed version.
  • Restrict admin interface access to trusted networks and users.
  • Review CMS user accounts and remove unnecessary editor or admin access.
  • Apply input sanitization guidance only if confirmed by project maintainers.
  • Monitor admin activity and content changes for suspicious entries.

Validation and detection

  • Confirm whether Monstra CMS 3.0.4 is deployed anywhere.
  • Inventory externally reachable CMS admin interfaces.
  • Review admin page handling for page_meta_title on error404 editing.
  • Check project release notes or advisories for remediation status.
  • Verify access controls around CMS editing functions.
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

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CVE-2018-17026 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.