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TI-2024-24399 Aliases CVE-2024-36773GHSA-674x-pqc6-c599

A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to…

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Themes parameter at index.php.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00366 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

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:*:*:*:*:*:*:*:*up to 3.0.4VulnerableMonstra
  • cpe:2.3:a:monstra:monstra:*:*:*:*:*:*:*:* Versions up to 3.0.4 Vulnerable ·Monstra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-36773
  2. 2026-10-03 Alias added: GHSA-674x-pqc6-c599

References

  • TI-2017-13256 Monstra CMS 3.0.4 allows users to upload arbitrary files, which leads to remote command… CVSS 3.0HIGH 8.8
  • TI-2024-24401 A cross-site scripting (XSS) vulnerability in Monstra CMS v3.0.4 allows attackers to… CVSS 3.1MEDIUM 5.4
  • TI-2018-04701 Monstra CMS through 3.0.4 has an incomplete "forbidden types" list that excludes .php… CVSS 3.1HIGH 8.8
  • TI-2021-14797 A remote code execution (RCE) vulnerability in the component… CVSS 3.1CRITICAL 9.8
  • TI-2020-15550 A local file inclusion vulnerability was discovered in the captcha function in Monstra… CVSS 3.1CRITICAL 9.8
  • TI-2021-17832 Monstra 3.0.4 does not filter the case of php, which leads to an unrestricted file upload vulnerability. CVSS 3.1CRITICAL 9.8
See all 33 →

Sources