CVE-2021-47783
Phpwcms 1.9.30 - Arbitrary File Upload
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jan 15, 2026
- Updated
- Apr 7, 2026
- Reserved
- Jan 14, 2026
Description
Phpwcms 1.9.30 contains a file upload vulnerability that allows authenticated attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG payloads through the multiple file upload feature to potentially execute cross-site scripting attacks on the platform.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
PhpwcmsPhpwcms |
|
References
- ExploitDB-50363exploit
- Official Product Homepageproduct
- VulnCheck Advisory: Phpwcms 1.9.30 - Arbitrary File Uploadthird-party-advisory
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