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TI-2018-07989 Aliases CVE-2018-11227GHSA-2cp2-mh5j-4jc9

Monstra CMS 3.0.4 and earlier has XSS via index.php.

Priority LOW 35CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Monstra CMS 3.0.4 and earlier has XSS via index.php.

Why it matters now

EPSS 0.04733 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:monstra:monstra_cms:*:*:*:*:*:*:*:*before 3.0.4VulnerableMonstra
  • cpe:2.3:a:monstra:monstra_cms:*:*:*:*:*:*:*:* Versions before 3.0.4 Vulnerable ·Monstra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-11227
  2. 2026-10-03 Alias added: GHSA-2cp2-mh5j-4jc9

References

Exploit 1

Advisory 2

  • TI-2025-42952 Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager… CVSS 3.1HIGH 8.8
  • TI-2020-10951 Monstra CMS 3.0.4 allows an attacker, who already has administrative access to modify… CVSS 3.1HIGH 7.2
  • TI-2018-08345 plugins/box/users/users.plugin.php in Monstra CMS 3.0.4 allows Login Rate Limiting Bypass… CVSS 3.0CRITICAL 9.8
  • TI-2020-14490 Monstra CMS 3.0.4 allows attackers to execute arbitrary code via a crafted payload… CVSS 3.1HIGH 8.8
  • TI-2020-13908 An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML… CVSS 3.1MEDIUM 6.5
  • TI-2020-14643 Cross Site Scripting vulnerabilty in Monstra CMS 3.0.4 via the page feature in admin/index.php. CVSS 3.1MEDIUM 5.4
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences