CVE-2019-13961

HIGH

flatcore < 1.5 - Cross-Site Request Forgery via File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-13961. PoCs published by CodeSecLab.

AI-analyzed exploit summary This is a CSRF PoC for flatCore CMS 1.5 that exploits a file upload vulnerability via a crafted HTML form. The exploit allows an attacker to upload a malicious file to the server by tricking an authenticated user into submitting the form.

Description

A CSRF vulnerability was found in flatCore before 1.5, leading to the upload of arbitrary .php files via acp/core/files.upload-script.php.

Exploits (1)

exploitdb WORKING POC
by CodeSecLab · textwebappsphp
https://www.exploit-db.com/exploits/52166

This is a CSRF PoC for flatCore CMS 1.5 that exploits a file upload vulnerability via a crafted HTML form. The exploit allows an attacker to upload a malicious file to the server by tricking an authenticated user into submitting the form.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: flatCore CMS 1.5 (d3a5168)
Auth required
Prerequisites: Victim must be authenticated in the target application · Attacker must trick the victim into visiting the malicious HTML page
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/flatCore/flatCore-CMS/issues/39

Scores

CVSS v3 8.8
EPSS 0.0048
EPSS Percentile 65.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-352
Status published
Products (1)
flatcore/flatcore < 1.5
Published Jul 18, 2019
Tracked Since Feb 18, 2026