High severity8.8NVD Advisory· Published May 10, 2026· Updated May 12, 2026

CVE-2021-47937

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.

Affected products

E107/E107inferred2 versions
=2.3.0+ 1 more
- (no CPE)range: =2.3.0
- (no CPE)range: = 2.3.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

e107.orgnvd
e107.org/downloadnvd
www.exploit-db.com/exploits/50315nvd
www.vulncheck.com/advisories/e107-cms-authenticated-remote-code-execution-via-theme-uploadnvd

News mentions

No linked articles in our index yet.

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000