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 HT...

CVE-2025-54813

A flaw was found in apache-log4cxx. When utilizing JSONLayout, the component fails to properly escape certain payload bytes, allowing attacker-supplied messages containing specific non-printable characters to be passed through unescaped. This allows an attacker to inject arbitrary data into log...

Improper Output Neutralization for Logs

Overview Affected versions of this package are vulnerable to Improper Output Neutralization for Logs in the JSONLayout class. An attacker can inject non-printable characters into log messages by supplying specially crafted input, which may cause downstream applications that consume these logs to...

DEBIAN-CVE-2025-54813

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

CVE-2025-54813

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

CVE-2025-54812

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

DEBIAN-CVE-2025-54812

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

UBUNTU-CVE-2025-54813

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

UBUNTU-CVE-2025-54812

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54812 Apache Log4cxx: Improper HTML escaping in HTMLLayout

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54812 Apache Log4cxx: Improper HTML escaping in HTMLLayout

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54812

CVE-2025-54812 affects Apache Log4cxx prior to 1.5.0. The issue is due to improper output neutralization in HTMLLayout: logger names from untrusted sources are not escaped when writing HTML logs, enabling potential HTML/JS injection that could lead to log manipulation or information exposure when...

CVE-2025-54812 Apache Log4cxx: Improper HTML escaping in HTMLLayout

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54812

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using HTMLLayout, logger names are not properly escaped when writing out to the HTML file. If untrusted data is used to retrieve the name of a logger, an attacker could theoretically inject HTML or Javascript in order t...

CVE-2025-54813

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

CVE-2025-54813 Apache Log4cxx: Improper escaping with JSONLayout

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

CVE-2025-54813 Apache Log4cxx: Improper escaping with JSONLayout

Improper Output Neutralization for Logs vulnerability in Apache Log4cxx. When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON...

CVE-2025-54813

CVE-2025-54813 affects Apache Log4cxx prior to 1.5.0, due to improper output neutralization for JSONLayout where certain non‑printable characters in attacker-supplied messages are not escaped, potentially impacting log consumption. Fedora advisory confirms a 1.5.0-1.fc41 update as the fix, and De...

Apache Log4cxx 安全漏洞

Apache Log4cxx is the United States Apache Apache Foundation of a C + + logging framework patterned on Apache log4j . A cross-site scripting vulnerability exists in Apache Log4cxx versions prior to 1.5.0, which stems from HTMLLayout not properly escaping logger names, and can be exploited by an...

Apache Log4cxx 安全漏洞

Apache Log4cxx is the United States Apache Apache Foundation of a C + + logging framework patterned on Apache log4j . An input validation error vulnerability exists in Apache Log4cxx versions prior to 1.5.0, which stems from JSONLayout not properly escaping all payload bytes, and can be exploited...