CVE-2026-100803: Origin Validation Error

Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17...

CVE-2026-100809: Origin Validation Error

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

PT-2026-102583

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description A same-origin policy bypass exists in the DevTools component. The same-origin policy is a critical security mechanism that restrict...

PT-2026-102577

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 157 Firefox ESR versions prior to 115.42 Firefox ESR versions prior to 140.17 Firefox ESR versions prior to 153.4 Thunderbird versions prior to 157 Description A same-origin policy bypass exists in the WebExtensions...

CVE-2026-87517

A flaw was found in Google Chrome on iOS. A race condition in the mobile browser component allows a remote attacker to bypass the same-origin policy by tricking a user into opening a specially crafted HTML page. Successful exploitation enables unauthorized access to sensitive cross-origin web dat...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in DevTools in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in Bluetooth in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Low...

PT-2026-98888

Name of the Vulnerable Software and Affected Versions InvoicePlane version 1.7.2-beta-1 Description InvoicePlane fails to enforce email syntax for client email values and renders them unescaped within double-quoted value attributes in the invoice mailer and quote mailer forms. This allows an...

EUVD-2026-86288

Snipe-IT is an IT asset/license management system. Prior to 8.7.0, the uploaded-files API endpoint GET /api/v1/objecttype/id/files/fileid allows an authenticated user with file-management access to upload XML and XSLT attachments and request them with the inline=true parameter. The...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Permissions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in HTML-in-Canvas in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: High...

CVE-2026-77912 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed HTML attribute injection via the Markdown rendering pipeline

A stored cross-site scripting XSS vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to inject arbitrary HTML attributes into rendered Markdown because the Markdown rendering pipeline rewrote quote characters in already-sanitized HTML without...

CVE-2026-77912

A stored cross-site scripting (XSS) vulnerability exists in GitHub Enterprise Server within the Markdown rendering pipeline . The flaw occurs because the pipeline rewrote quote characters in already-sanitized HTML without performing subsequent re-sanitization, allowing an authenticated attacker t...

EUVD-2026-84873

A stored cross-site scripting XSS vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to inject arbitrary HTML attributes into rendered Markdown because the Markdown rendering pipeline rewrote quote characters in already-sanitized HTML without...

CVE-2026-77912 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed HTML attribute injection via the Markdown rendering pipeline

A stored cross-site scripting XSS vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to inject arbitrary HTML attributes into rendered Markdown because the Markdown rendering pipeline rewrote quote characters in already-sanitized HTML without...

CVE-2026-77912: Improper Neutralization of Input During Web Page Generation

A stored cross-site scripting XSS vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to inject arbitrary HTML attributes into rendered Markdown because the Markdown rendering pipeline rewrote quote characters in already-sanitized HTML without...

CVE-2026-59814

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

CVE-2026-46650

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, isAcceptedUrl in packages/renderer/htmlUtils.ts uses an unanchored regular expression for internal resource URLs, allowing a javascript: URL containing a matching 32-character...

CVE-2026-46650

Joplin (open-source note-taking app) prior to 3.7.2 contains a stored XSS in the public share viewer. The root cause is an unanchored regular expression in isAcceptedUrl() (packages/renderer/htmlUtils.ts) that allows a javascript: URL containing a matching 32-character path fragment to pass valid...