CVE•Published 2026-05-10•Modified 2026-05-12•1 article on news•7 live references•NVD data
CVE-2021-47939
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows authenticated users with module creation permissions to execute arbitrary system commands by injecting PHP code into module parameters. Attackers can send POST requests to /manager/index.php with malicious PHP code in the 'post' parameter to create modules that execute arbitrary commands when invoked.
Timeline
Published 2026-05-10
Modified 2026-05-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2021-47939Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-47939Censys host search filtered to this CVE id.
grep.app
CVE-2021-47939Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-47939GitHub code search for direct mentions.
Google dork
"CVE-2021-47939" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (2)
CVE-2021-479392 repos
mrhenrike/PrinterXPL-ForgePython
Complete printer penetration testing toolkit with 109 commands across PJL, PostScript & PCL. 4 network protocols, automated discovery, file exfiltration, NVRAM access, attack paylo…
awiseguy88/openclaw-advanced-skills-libraryunknown
OpenClaw Skills Library 2,510 Production-Ready Skills for AI Agent Automation Give your OpenClaw agent the complete puzzle. Modular, observable, and safe automation workflows for…