CVE-2025-54812

A flaw was found in log4cxx. When using HTMLLayout, logger names are not properly escaped. This vulnerability allows an attacker to provide untrusted data as a logger name to inject arbitrary HTML content into log output files. This issue can lead to cross-site scripting vulnerabilities if the HTML log files are subsequently viewed in a web browser.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.