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Vulnerability record · CVE-2021-46360 · published 9 February 2022

CVE-2021-46360: Ocproducts composr unrestricted file upload vulnerability

Ocproducts · Composr

Authenticated remote code execution (RCE) in Composr-CMS 10.0.39 and earlier allows remote attackers to execute arbitrary code via uploading a PHP shell through /adminzone/index.php?page=admin-commandr.

8.8 CVSS 3.1 High EPSS 9.2% · top 4.8% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score, v2 6.5
9.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Authenticated remote code execution (RCE) in Composr-CMS 10.0.39 and earlier allows remote attackers to execute arbitrary code via uploading a PHP shell through /adminzone/index.php?page=admin-commandr.

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
http://packetstormsecurity.com/files/171489/Composr-CMS-10.0.39-Remote-Code-Execution.html
https://github.com/sartlabs/0days/blob/main/Composr-CMS/Exploit.py ExploitThird Party Advisory
http://packetstormsecurity.com/files/171489/Composr-CMS-10.0.39-Remote-Code-Execution.html
https://github.com/sartlabs/0days/blob/main/Composr-CMS/Exploit.py ExploitThird Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-46360), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.