CVE-2026-40922 SiYuan: Incomplete sanitization of bazaar README allows stored XSS via iframe srcdoc (incomplete fix for CVE-2026-33066)

SiYuan is an open-source personal knowledge management system. In versions 3.6.1 through 3.6.3, a prior fix for XSS in bazaar README rendering incomplete fix for CVE-2026-33066 enabled the Lute HTML sanitizer, but the sanitizer does not block iframe tags, and its URL-prefix blocklist does not...

CVE-2026-39426

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

GHSA-8Q5W-MMXF-48JG SiYuan has incomplete fix for CVE-2026-33066: XSS

Summary The incomplete fix for SiYuan's bazaar README rendering enables the Lute HTML sanitizer but fails to block tags, allowing stored XSS via srcdoc attributes containing embedded scripts that execute in the Electron context. Affected Package - Ecosystem: Go - Package:...

SiYuan has incomplete fix for CVE-2026-33066: XSS

Summary The incomplete fix for SiYuan's bazaar README rendering enables the Lute HTML sanitizer but fails to block tags, allowing stored XSS via srcdoc attributes containing embedded scripts that execute in the Electron context. Affected Package - Ecosystem: Go - Package:...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the mail preview feature of the Event Log, where HTML content is rendered in an iframe without proper sandboxing. An attacker can execute arbitrary JavaScript in the context of a privileged user's browser by...

CVE-2026-39426

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

CVE-2026-39426

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

CVE-2026-39426

MaxKB (enterprise open-source AI assistant) contains a Stored XSS in versions 2.7.1 and earlier. The vulnerability arises in MdRenderer.vue, which parses custom tags from LLM responses or Prologue configurations and bypasses Markdown sanitization. Unsanitized HTML is passed to IframeRender.vue a...

EUVD-2026-22193

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

CVE-2026-39426 MaxKB: Stored XSS via Unsanitized iframe_render Parsing

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

CVE-2026-39426 MaxKB: Stored XSS via Unsanitized iframe_render Parsing

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

MaxKB 跨站脚本漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB 2.7.1 and earlier contained a cross-site scripting vulnerability. This vulnerability stemmed from the front-end MdRenderer.vue component, which bypassed standard...

PT-2026-32585

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

PT-2026-41164

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.6.5 Description Scripts can be injected and executed through the HTML rendering view. The frontend includes a function to visualize HTML content of a chat by embedding it in an iFrame. However, the use of the...

Chromium: CVE-2026-5903 Policy bypass in IFrameSandbox

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

The vulnerability of the iFrameSandbox component in Google Chrome allows a hacker to bypass security restrictions.

The vulnerability of the iFrameSandbox component in Google Chrome is related to a violation of data protection mechanisms. Exploiting this vulnerability allows an attacker to bypass security restrictions remotely...

SUSE CVE-2026-5903

Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Low...

EUVD-2026-20727

Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Low...

CVE-2026-5903

Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Low...

DEBIAN-CVE-2026-5903

Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Low...