Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

Summary Manually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS o...

GHSA-VJM7-M4XH-7WRC Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

Summary Manually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS o...

CVE-2026-42558

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector...

CVE-2026-42558

CVE-2026-42558 affects Xibo CMS (prior to 4.4.2). A vulnerability chain combining Stored XSS and an Iframe sandbox escape via the Data Connector Script in DataSet can be exploited by an authorized user who has DataSet permissions and the ability to add DataSets to layouts. The issue requires the ...

EUVD-2026-36170

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector...

CVE-2026-42558 Xibo Vulnerable to Stored XSS and Iframe Sandbox Escape via Data Connector Script in DataSet

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector...

CVE-2026-42558: Improper Neutralization of Input During Web Page Generation

Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.2, a vulnerability chain consisting of Stored XSS and Iframe Sandbox escape in the Xibo CMS allows users with DataSet permissions to use the Data Connector...

Xibo 跨站脚本漏洞

Xibo is a digital signage content management tool developed by Dan Garner. Versions of Xibo prior to 4.4.2 contained a cross-site scripting vulnerability. This vulnerability stemmed from stored XSS attacks and an Iframe sandbox escape chain, which could allow users with DataSet permissions to use...

CVE-2026-47901 Iframe escape by plugins in Logseq

Logseq is vulnerable to a sandbox escape flaw where plugins running in sandboxed iframes can inject arbitrary HTML attributes, such as event handlers, into their container element in the host DOM. Due to a disabled Content Security Policy CSP, this allows a malicious plugin to execute arbitrary...

SUSE CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

Chromium: CVE-2026-8563 Insufficient policy enforcement in IFrame Sandbox

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

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

Open WebUI has stored XSS via the HTML renedering view

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...

GHSA-4VRC-M9CH-6M3R Open WebUI has stored XSS via the HTML renedering view

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...

EUVD-2026-30380

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-8563

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. Chromium security severity: Medium...