XSS in Emlog

CVE-2025-53925

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows authenticated remote attackers to inject arbitrary web script or HTML via the file upload functionality. As an authenticated user it is possible to upload an .svg file that contains JavaScript code that is later executed. As of time of publication, no known patched versions exist.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-53925: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Emlog — versions <= pro-2.5.17

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-53925?
CVE-2025-53925 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-16.
How severe is CVE-2025-53925?
Medium severity. CVSS v3 base score is 5.4 out of 10.