← Vulnerability feed

Vulnerability record · CVE-2021-41402 · published 16 June 2022

CVE-2021-41402: Flatcore-cms code injection vulnerability

Flatcore · Flatcore Cms

flatCore-CMS v2.0.8 has a code execution vulnerability, which could let a remote malicious user execute arbitrary PHP code.

8.8 CVSS 3.1 High EPSS 1.4% · top 28.0% CWE-94 · Code injection
8.8CVSS 3.1 base score, v2 6.5
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

flatCore-CMS v2.0.8 has a code execution vulnerability, which could let a remote malicious user execute arbitrary PHP code.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/flatCore/flatCore-CMS/issues/59 ExploitIssue TrackingThird Party Advisory
https://github.com/flatCore/flatCore-CMS/issues/59 ExploitIssue TrackingThird Party Advisory

Track CVE-2021-41402 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-41403Flatcore-cms server-side request forgery (ssrf) vulnerabilityflatCore-CMS version 2.0.8 calls dangerous functions, causing server-side request forgery vulnerabilities.EPSS 19%9.8CVE-2017-7878Flatcore-cms sql injection vulnerabilitySQL Injection vulnerability in flatCore version 1.4.6 allows an attacker to read and write to the users database.EPSS 1.0%8.8CVE-2017-7877Flatcore-cms cross-site request forgery vulnerabilityCSRF vulnerability in flatCore version 1.4.6 allows remote attackers to modify CMS configurations.EPSS 0.91%7.5CVE-2017-8868Flatcore-cms path traversal vulnerabilityacp/core/files.browser.php in flatCore 1.4.7 allows file deletion via directory traversal in the delete parameter to acp/acp.php. The risk might be l…EPSS 1.9%7.5CVE-2017-7879Flatcore-cms sql injection vulnerabilitySQL Injection vulnerability in flatCore version 1.4.6 allows an attacker to read the content database.EPSS 1.0%7.2CVE-2021-39608FlatCore-CMS upload addon allows unrestricted PHP file upload and RCEFlatCore-CMS 2.0.7 contains an unrestricted file upload flaw (CWE-434) in the upload addon plugin, letting a remote user place arbitrary PHP code on …EPSS 46%analysed6.6CVE-2021-3745Flatcore-cms unrestricted file upload vulnerabilityflatcore-cms is vulnerable to Unrestricted Upload of File with Dangerous TypeEPSS 1.1%6.1CVE-2022-43118Flatcore-cms cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in flatCore-CMS v2.1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload inj…EPSS 0.43%

Source: NIST National Vulnerability Database (record CVE-2021-41402), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.