CVE-2021-47937

e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme Upload

CVSS 8.7 HIGHEPSS 0.6%CWE-434

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

E107 · e107 CMS

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/50315unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://e107.org/https://e107.org/download https://www.exploit-db.com/exploits/50315 https://www.vulncheck.com/advisories/e107-cms-authenticated-remote-code-execution-via-theme-upload