CVE-2021-47783

MEDIUM EPSS 19.9%
Published Jan 16, 20265mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
Find Similar
Published Jan 16, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
19.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
phpwcmsphpwcms1.9.30any

References 3

  • phpwcms.org http://www.phpwcms.org/
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/50363
    ExploitVDB Entry
  • vulncheck.com https://www.vulncheck.com/advisories/phpwcms-arbitrary-file-upload
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.