255 matches found
PT-2025-50275
Name of the Vulnerable Software and Affected Versions NiceGUI versions 3.3.1 and below Description NiceGUI, a Python-based UI framework, contains a flaw that allows a remote attacker to read arbitrary files on the server filesystem. This is due to a directory traversal issue present in the App.ad...
CVE-2025-66470: Improper Neutralization of Input During Web Page Generation
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactiveimage component of NiceGUI. The component renders SVG content using Vue's v-html directive without any sanitization. This allows attackers to inject malicious HTML or...
CVE-2025-66469: Improper Neutralization of Input During Web Page Generation
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or ,...
CVE-2025-66469 NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...
EUVD-2025-201814
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...
CVE-2025-66469
CVE-2025-66469 is a reported Reflected XSS in NiceGUI (Python UI framework). The vulnerability affects versions 3.3.1 and earlier and stems from insufficient sanitization/escaping in the functions ui.add_css, ui.add_scss, and ui.add_sass, which generate JavaScript contexts that can be broken out ...
CVE-2025-66469 NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...
CVE-2025-66469 NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection
NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...
GHSA-2M4F-CG75-76W2 NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content
Summary A Cross-Site Scripting XSS vulnerability exists in the ui.interactiveimage component of NiceGUI v3.3.1 and earlier. The component renders SVG content using Vue's v-html directive without any sanitization. This allows attackers to inject malicious HTML or JavaScript via the SVG tag. Detail...
Cross-site Scripting (XSS)
Overview nicegui is a Create web-based user interfaces with Python. The nice way. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ui.interactiveimage component when rendering SVG content using the v-html directive without sanitization. An attacker can execute...
NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content
Summary A Cross-Site Scripting XSS vulnerability exists in the ui.interactiveimage component of NiceGUI v3.3.1 and earlier. The component renders SVG content using Vue's v-html directive without any sanitization. This allows attackers to inject malicious HTML or JavaScript via the SVG tag. Detail...
Cross-site Scripting (XSS)
Overview nicegui is a Create web-based user interfaces with Python. The nice way. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ui.addcss, ui.addscss, and ui.addsass functions. An attacker can execute arbitrary JavaScript in the context of the user's browser...
NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection
Summary A Cross-Site Scripting XSS vulnerability exists in ui.addcss, ui.addscss, and ui.addsass functions in NiceGUI v3.3.1 and earlier. These functions allow developers to inject styles dynamically. However, they lack proper sanitization or encoding for the JavaScript context they generate. An...
GHSA-72QC-WXCH-74MG NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection
Summary A Cross-Site Scripting XSS vulnerability exists in ui.addcss, ui.addscss, and ui.addsass functions in NiceGUI v3.3.1 and earlier. These functions allow developers to inject styles dynamically. However, they lack proper sanitization or encoding for the JavaScript context they generate. An...
PT-2025-49682
Name of the Vulnerable Software and Affected Versions NiceGUI versions 3.3.1 and below Description NiceGUI, a Python-based UI framework, has an issue where the ui.interactive image component can be exploited for cross-site scripting XSS. The component renders Scalable Vector Graphics SVG content...
PT-2025-49681
Name of the Vulnerable Software and Affected Versions NiceGUI versions 3.3.1 and below Description NiceGUI, a Python-based UI framework, has an issue where the ui.add css, ui.add scss, and ui.add sass functions do not properly sanitize or encode JavaScript contexts. This allows an attacker to...
Cross-Site Scripting (XSS)
nicegui is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to the framework not sanitizing HTML or JavaScript when rendering unescaped user input through ui.html, which allows an attacker to execute arbitrary JavaScript in a user’s browser...
CVE-2025-53354
NiceGUI is a Python-based UI framework. Versions 2.24.2 and below are at risk for Cross-Site Scripting XSS when developers render unescaped user input into the DOM using ui.html. NiceGUI did not enforce HTML or JavaScript sanitization, so applications that directly combine components like ui.inpu...
CVE-2025-53354
NiceGUI is a Python-based UI framework. Versions 2.24.2 and below are at risk for Cross-Site Scripting XSS when developers render unescaped user input into the DOM using ui.html. NiceGUI did not enforce HTML or JavaScript sanitization, so applications that directly combine components like ui.inpu...