Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *

Summary The SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in site isolation in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Prompts in Google Chrome prior to 113.0.5672.63 allowed a remote attacker to obfuscate main origin data via a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the iframe Sandbox in Google Chrome prior to 105.0.5195.52 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementations of performance APIs in Google Chrome prior to version 89.0.4389.72 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in DevTools in Google Chrome prior to 110.0.5481.77 allowed a remote attacker to bypass the same-origin policy and proxy settings through a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Firefox and Thunderbird

Dragging a URL from a cross-origin iframe that was removed during the drag-and-drop process could lead to user confusion and website spoofing attacks. This vulnerability affects Firefox 111, Firefox ESR 102.9, and Thunderbird 102.9...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in image handling in iOS in Google Chrome on iOS prior to version 92.0.4515.107 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Chromium: CVE-2021-30615 Cross-origin data leak in Navigation...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementations of Blink in Google Chrome prior to version 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the Background Fetch API in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Firefox and Thunderbird

As specified in the W3C Content Security Policy draft, when creating a violation report, “User agents need to ensure that the source file is the URL requested by the page, with pre-redirecting. If this is not possible, user agents must strip the URL to its origin to prevent unintentional leakage....

Astra Linux – Vulnerability in Firefox

The Performance API did not properly hide the fact that whether a request to a cross-origin resource has observed redirects. This vulnerability affects Firefox versions less than 100...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Passwords in Google Chrome prior to 97.0.4692.71 allowed a remote attacker to potentially leak cross-origin data through a malicious website...

Astra Linux – Vulnerability in Firefox

When a user opened the Web Extensions context menu, the Web Extension could access the post-redirect URL of the clicked element. If the Web Extension did not have the necessary WebRequest permissions for the hosts involved in the redirection, this would constitute a same-origin violation, allowin...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe via a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Firefox

When processing a redirect that conflicts with a Referrer-Policy, Firefox would adopt the Referrer-Policy of the redirect. This could potentially result in more information than intended by the original origin being provided to the destination of the redirect. This vulnerability affects Firefox...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in the new tab page of Google Chrome prior to version 96.0.4664.93 allowed a remote attacker to leak cross-origin data through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in CORS in Google Chrome prior to 109.0.5414.74 allowed a remote attacker to leak cross-origin data via a crafted HTML page. Chromium security severity: Low...