CVE-2026-45733

Trilium Notes is a cross-platform, hierarchical note taking application focused on building large personal knowledge bases. Prior to 0.103.0, the iconClass label value is returned raw by getNoteIcon and inserted without HTML attribute encoding into class attributes in...

EUVD-2026-56147

Cross-site Scripting in the finding renderer in maalfer Pentestify before 2.3.1 allows authenticated users to execute arbitrary JavaScript in the application origin via HTML markup stored in a finding's severity field, which the frontend interpolates unescaped into class and style attributes when...

CVE-2026-18784

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

EUVD-2026-52789

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784 o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow

A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public a...

CVE-2026-18784

The CVE affects o6 open62541 up to 1.5.5, specifically the UA_Client_readNodeClassAttribute routine in src/client/ua_client_highlevel.c. A heap-based buffer overflow is triggered by manipulation, requiring local access to exploit. The exploit has been made public. Details about affected versions ...

Linux Distros Unpatched Vulnerability : CVE-2026-18784

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UAClientreadNodeClassAttribute of the file src/client/uaclienthighlevel.c...

CVE-2026-59926

A flaw was found in Mistune, a Python Markdown parser. The renderadmonition function in the Admonition directive concatenates user-controlled input into the HTML class attribute without proper escaping. This vulnerability allows for attribute injection and Cross-Site Scripting XSS attacks, even...

CVE-2026-59926

CVE-2026-59926 : Mistune (Python Markdown parser) contains an XSS due to render_admonition() in src/mistune/directives/admonition.py failing to escape the Admonition directive :class: option when constructing the HTML class attribute. This allows attribute injection and cross-site scripting even ...

CVE-2026-59895

Hono (server-side JS framework) contains a CS/XSS flaw in cx() within hono/css: class name construction concatenates strings and marks the result as pre-escaped, bypassing HTML escaping. This allows untrusted className values used in a JSX class attribute during server-side rendering to break out...

PT-2026-56511

Name of the Vulnerable Software and Affected Versions Mistune versions prior to 3.2.1 Description The render admonition function in src/mistune/directives/admonition.py concatenates the :class: option of the Admonition directive into the HTML class attribute without proper escaping. This allows f...

CVE-2026-12732

CVE-2026-12732 concerns the LearnPress WordPress plugin (versions <= 4.4.0). The vulnerability is a Stored Cross-Site Scripting (XSS) via the short code attribute class_wrapper_form . Root cause: insufficient input sanitization and output escaping in FilterCourseTemplate::sections(), where att...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via unsanitized input in the class attribute of the HTML template. An attacker can execute arbitrary JavaScript in the context of the affected site by injecting malicious code through user-supplied input. Detail...

CVE-2026-41846

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting XSS vulnerability. Affected versions: Spring Framework 7.0.0 through...

CVE-2026-41846 Spring Framework Cross-site Scripting via JSP Form Tags

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting XSS vulnerability. Affected versions: Spring Framework 7.0.0 through...

CVE-2026-41846 Spring Framework Cross-site Scripting via JSP Form Tags

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting XSS vulnerability. Affected versions: Spring Framework 7.0.0 through...

PT-2026-47657

Name of the Vulnerable Software and Affected Versions Spring Framework versions 7.0.0 through 7.0.7 Spring Framework versions 6.2.0 through 6.2.18 Spring Framework versions 6.1.0 through 6.1.27 Spring Framework versions 5.3.0 through 5.3.48 Description Spring MVC applications that accept...

EUVD-2026-33311

WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a stored cross-site scripting vulnerability. The Live plugin's "YouTube-style" view renders the live transmission's stream key into an HTML class attribute by raw echo, without htmlspecialchars. A canStream user can persi...