What is CVE-2025-53923?

CVE-2025-53923 is a high-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2025-07-16.

How severe is CVE-2025-53923?

High severity. CVSS v3 base score is 8.2 out of 10.

Is CVE-2025-53923 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Emlog

CVE-2025-53923

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 keyword parameter. Due to lack of sa…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (41.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

Affected products

Emlog — versions <= pro-2.5.17

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

https://github.com/emlog/emlog/security/advisories/GHSA-vvx2-m94x-f54m (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-53923?: CVE-2025-53923 is a high-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2025-07-16.
How severe is CVE-2025-53923?: High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2025-53923 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.