Arbitrary file upload in Emlog
CVE-2025-47787
Emlog is an open source website building system. Emlog Pro prior to version 2.5.10 contains a file upload vulnerability. The store.php component contains a critical security flaw where it fails to properly validate the contents of remotely downloaded ZIP plugin files. This insufficient validation allows attackers to execute arbitrary code on the vulnerable system. Version 2.5.10 contains a patch for the issue.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Emlog — versions < 2.5.10
Weakness classification (CWE)
References
- github.com/emlog/emlog/security/advisories/GHSA-4mcj-8gvh-p753 (Exploit, Vendor Advisory)
- github.com/emlog/emlog/commit/691c13e90df2fb35e120f4e0735078bad018eed7 (Patch)
Frequently asked questions
- What is CVE-2025-47787?
- CVE-2025-47787 is a critical-severity vulnerability in Emlog, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-05-15.
- How severe is CVE-2025-47787?
- Critical severity. CVSS v3 base score is 9.8 out of 10.