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Vulnerability record · CVE-2021-30149 · published 6 April 2021
CVE-2021-30149: Ocproducts composr unrestricted file upload vulnerability
Ocproducts · Composr
Composr 10.0.36 allows upload and execution of PHP files.
9.8 CVSS 3.1 Critical EPSS 10% · top 4.5% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score, v2 7.5
10%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
Composr 10.0.36 allows upload and execution of PHP files.
CVSS:3.1/AV:N/AC:L/PR:N/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
| Link | Tags |
|---|---|
| http://packetstormsecurity.com/files/162128/Composr-10.0.36-Shell-Upload.html | ExploitThird Party Advisory |
| https://gitlab.com/composr-foundation/composr/commit/a71c44e03 | PatchThird Party Advisory |
| http://packetstormsecurity.com/files/162128/Composr-10.0.36-Shell-Upload.html | ExploitThird Party Advisory |
| https://gitlab.com/composr-foundation/composr/commit/a71c44e03 | PatchThird 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-2021-30149), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
