CVE-2026-34478

CVE-2026-34478 (Log4j Core) affects Apache Log4j Core 2.21.0 through 2.25.3 and involves CRLF log-injection risks in stream-based syslog output due to undocumented renames of configuration attributes in Rfc5424Layout. Specifically, the newLineEscape attribute was silently renamed, breaking newlin...

CVE-2026-34478 Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

CVE-2026-34478 Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility

Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.htmlRFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes. Two distinct issues affect user...

Vikunja has iCalendar Property Injection via CRLF in CalDAV Task Output

Summary The CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar property boundary, allowing injection of arbitrary iCalendar properties such as...

GHSA-2G7H-7RQR-9P4R Vikunja has iCalendar Property Injection via CRLF in CalDAV Task Output

Summary The CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar property boundary, allowing injection of arbitrary iCalendar properties such as...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the email notification rendering process. An attacker can inject arbitrary HTML content, such as phishing links or tracking images, by crafting malicious task titles that are embedded in notification emails...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the email notification rendering process. An attacker can inject arbitrary HTML content, such as phishing links or tracking images, by crafting malicious task titles that are embedded in notification emails...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the email notification rendering process. An attacker can inject arbitrary HTML content, such as phishing links or tracking images, by crafting malicious task titles that are embedded in notification emails...

BIT-JOOMLA-2026-21632 Joomla! Core - [20260304] - XSS vectors in various article title outputs

Lack of output escaping for article titles leads to XSS vectors in various locations...

BIT-JOOMLA-2026-21631 Joomla! Core - [20260303] - XSS vector in com_associations comparison view

Lack of output escaping leads to a XSS vector in the multilingual associations component...

WordPress plugin Webling 跨站脚本漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. Versions...

Apache Log4j 安全漏洞

Apache Log4j is an open-source logging tool based on Java, developed by the Apache Foundation in the United States. There is a security vulnerability in Apache Log4j, which stems from Log4j1XmlLayout failing to escape characters prohibited by the XML 1.0 standard, potentially resulting in...

WordPress Plugin ElementsKit Elementor Addons and Templates Cross-Site Scripting Vulnerability

WordPress is a blogging platform developed using the PHP language. The platform has the ability to set up a personal blog site on a PHP and MySQL based server.WordPress plugin is an application plugin. A cross-site scripting vulnerability exists in the WordPress plugin ElementsKit Elementor Addon...

Discourse cross-site scripting vulnerability (CNVD-2026-17263)

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from a cross-site scripting vulnerability that stems from the user and group display names not being HTML escaped in...

PT-2026-31952

Name of the Vulnerable Software and Affected Versions Vikunja versions prior to 2.3.0 Description Vikunja, a self-hosted task management platform, has an issue where the CalDAV output generator doesn't properly escape characters in iCalendar VTODO entries. Specifically, user-controlled task title...

EUVD-2026-21053

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 o...

CVE-2026-34483 Apache Tomcat: Incomplete escaping of JSON access logs

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 o...

CVE-2026-34483 Apache Tomcat: Incomplete escaping of JSON access logs

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 o...

CVE-2026-34483

CVE-2026-34483 is an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. Affected versions: Tomcat 11.0.0-M1 through 11.0.20, 10.1.0-M1 through 10.1.53, and 9.0.40 through 9.0.116. Exploitation concerns are not detailed in the provided docum...

CVE-2026-34483 Apache Tomcat: Incomplete escaping of JSON access logs

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 o...