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TI-2018-11923 Aliases CVE-2018-16636GHSA-6w76-xxgp-fhm5

Nucleus CMS 3.70 allows HTML Injection via the index.php body parameter.

Priority LOW 31CWE-79Published · Updated

Key facts

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

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

Summary

Nucleus CMS 3.70 allows HTML Injection via the index.php body parameter.

Why it matters now

EPSS 0.01016 63rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by 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:nucleuscms:nucleus_cms:3.70:*:*:*:*:*:*:*3.70VulnerableNucleuscms
  • cpe:2.3:a:nucleuscms:nucleus_cms:3.70:*:*:*:*:*:*:* Versions 3.70 Vulnerable ·Nucleuscms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16636
  2. 2026-10-03 Alias added: GHSA-6w76-xxgp-fhm5

References

  • TI-2021-15628 Nucleus CMS v3.71 is affected by a file upload vulnerability. CVSS 3.1HIGH 7.2
  • TI-2011-03317 Nucleus 3.61 allows remote attackers to obtain sensitive information via a direct request… CVSS 2.0MEDIUM 5.0
  • TI-2015-04588 Cross-site scripting (XSS) vulnerability in Nucleus CMS allows remote attackers to inject… CVSS 2.0MEDIUM 4.3

Sources