CVE-2021-47783

MEDIUM 5.4

Phpwcms 1.9.30 - Arbitrary File Upload

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	phpwcms
Product	phpwcms
Published	Jan 15, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Phpwcms / Phpwcms

1.9.30

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/50363 phpwcms.org: http://www.phpwcms.org/ vulncheck.com: https://www.vulncheck.com/advisories/phpwcms-arbitrary-file-upload

Credits

Okan Kurtulus