CVE-2025-53925: Emlog has Stored Cross-site Scripting vulnerability in file upload functionality

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-16 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

emlog: through 2.5.17

References

https://github.com/emlog/emlog/security/advisories/GHSA-x4wj-rhvg-hqr9
https://github.com/emlog/emlog/security/advisories/GHSA-x4wj-rhvg-hqr9

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