Read the docs
TI-2020-13217 Aliases CVE-2020-17452GHSA-v8ph-72jw-j36g

flatCore before 1.5.7 allows upload and execution of a .php file by an admin.

Priority LOW 36CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

flatCore before 1.5.7 allows upload and execution of a .php file by an admin.

Why it matters now

EPSS 0.02429 84th 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:flatcore:flatcore:*:*:*:*:*:*:*:*before 1.5.7Vulnerableflatcore
  • cpe:2.3:a:flatcore:flatcore:*:*:*:*:*:*:*:* Versions before 1.5.7 Vulnerable ·flatcore

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-17452
  2. 2026-10-03 Alias added: GHSA-v8ph-72jw-j36g

References

  • TI-2021-17581 Cross site scripting (XSS) vulnerability in flatCore-CMS 2.2.15 allows attackers to… CVSS 3.1MEDIUM 5.4
  • TI-2019-10413 A CSRF vulnerability was found in flatCore before 1.5, leading to the upload of arbitrary… CVSS 3.0HIGH 8.8
  • TI-2019-07947 An issue was discovered in flatCore 1.4.7. CVSS 3.0HIGH 7.2
  • TI-2021-06201 An issue was discovered in flatCore before 2.0.0 build 139. CVSS 3.1MEDIUM 6.5
  • TI-2017-06862 Cross site scripting (XSS) vulnerability in pages.edit_form.php in flatCore 1.4.6 allows… CVSS 3.0MEDIUM 6.1
  • TI-2021-06199 An issue was discovered in flatCore before 2.0.0 build 139. CVSS 3.1MEDIUM 4.9
See all 9 →

Sources