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Public proof of conceptFix available

CVE-2019-13961

A public proof of concept exists; no exploitation attested.

  • Published2019-07-18
  • Fixed in1.5
  • WeaknessCWE-352

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-04-11Exploit-DB entryExploit-DB

Versions per branch

NVD
Flatcore
BranchAffectedFixed in
1.5< 1.51.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Flatcore to 1.5

Detection

read 2026-11-09 09:28 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-52166
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-07-18
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-836h-9m9x-w2qm

Frequently asked questions

What is CVE-2019-13961?

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.

Is CVE-2019-13961 actively exploited?

Active exploitation of CVE-2019-13961 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-13961?

CVE-2019-13961 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record