CVE-2022-50912 Details
Description
ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.
A file upload vulnerability has been identified in ImpressCMS version 1.4.4, stemming from inadequate extension sanitization. This flaw allows attackers to upload potentially malicious files by exploiting weak upload restrictions. The vulnerability arises from a blacklist method that fails to effectively filter harmful file types, enabling the execution of arbitrary PHP code on the server.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/ImpressCMS/impresscms | [email protected] | Product |
| https://www.exploit-db.com/exploits/50890 | [email protected] | ExploitThird Party AdvisoryVDB Entry |
| https://www.impresscms.org/ | [email protected] | Product |
| https://www.vulncheck.com/advisories/impresscms-unrestricted-file-upload | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| impresscms impresscms | 1.4.4 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 3, 2026 | Initial Analysis | [email protected] |
| Jan 13, 2026 | New CVE Received | [email protected] |