CVE-2025-53923

Name: CVE-2025-53923
Creator: NVD / NIST
Published: 2025-07-16T14:15:28.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2025-53923 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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 remote attackers to inject arbitrary web script or HTML via the keyword parameter. Due to lack of sanitization it is possible to inject HTML/JS code into keyword parameter. If one persuades an user into clicking into prepared link it is possible to execute any JS code in admin's browser. As of time of publication, no known patched versions exist.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.35%

26.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Emlog	Emlog	<= 2.5.17

References

https://github.com/emlog/emlog/security/advisories/GHSA-vvx2-m94x-f54mExploit, Third Party Advisory
https://github.com/emlog/emlog/security/advisories/GHSA-vvx2-m94x-f54mExploit, Third Party Advisory

Timeline

Published: Jul 16, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-53923?

How severe is CVE-2025-53923?

CVE-2025-53923 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53923?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53923?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST