VULNERABILITY INTELLIGENCE
CVE-2021-47783
CVSS score5.4 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-01-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-434
Primary references
- disclosure@vulncheck.com — Product
- disclosure@vulncheck.com — Exploit, VDB Entry
- disclosure@vulncheck.com — Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, VDB Entry