Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47783Phpwcms 1.9.30 - Arbitrary File Upload
Medium 5.4
In plain English
A medium-severity unrestricted file upload in Phpwcms from Phpwcms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 74.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- ExploitDB-50363 exploit
- Official Product Homepage product
- VulnCheck Advisory: Phpwcms 1.9.30 - Arbitrary File Upload third-party-advisory