CVE-2021-47783CWE-434

Phpwcms 1.9.30 - Arbitrary File Upload

Medium · published January 15, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
23.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
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
EPSS
0.00321 · 23.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-01-15T23:25Z
EPSS history
Timeline
  • 15 JAN 23:25Z
    Phpwcms 1.9.30 - Arbitrary File Upload
    cvelistv5