CVE•Published 2026-05-10•Modified 2026-05-12•1 article on news•6 live references•NVD data
CVE-2021-47937
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
e107 CMS 2.3.0 contains a remote code execution vulnerability that allows authenticated users with theme installation permissions to execute arbitrary commands by uploading malicious theme files. Attackers can upload a crafted theme package through the theme.php endpoint that deploys a web shell to the e107_themes directory, then execute system commands via the payload.php script.
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-2021-47937Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-47937Censys host search filtered to this CVE id.
grep.app
CVE-2021-47937Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-47937GitHub code search for direct mentions.
Google dork
"CVE-2021-47937" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-47937 on GitHub.