What is CVE-2025-53926?

CVE-2025-53926 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-16.

How severe is CVE-2025-53926?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Emlog

CVE-2025-53926

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 remote attackers to inject arbitrary web script or HTML via the comment and comname parameters. Reflected XSS requires the victim to send POST requests, therefore the victim must be persuaded into clicking into sent URL. As of time of publication, no known patched versions exist.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Emlog — versions <= pro-2.5.17

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-53926?: CVE-2025-53926 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-16.
How severe is CVE-2025-53926?: Medium severity. CVSS v3 base score is 6.1 out of 10.