XSS in Emlog
CVE-2025-53924
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 siteurl parameter. It is possible to inject malicious code into siteurl parameter resulting in Stored XSS. When someone clicks on the link the malicious code is executed. As of time of publication, no known patched versions exist.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (19.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Emlog — versions <= pro-2.5.17
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-53924?
- CVE-2025-53924 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2025-07-16.
- How severe is CVE-2025-53924?
- Medium severity. CVSS v3 base score is 6.9 out of 10.
- Is CVE-2025-53924 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.