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Orange Tsai detailed a non-memory-corruption chain using Edge logic flaws to achieve UXSS, escape the sandbox and execute code on Windows. Demonstrated at…

Five Ways Drones Are Transforming War Unmanned Systems (UxSs), whether airborne, maritime, or land-based, are transforming warfare and international alignments on a global scale.[1]  Based on the

NuBrowser lacks protocol whitelist validation for the S.browser_fallback_url field of intent://, allowing attackers to inject javascript: URLs via 302 redirects. This results in a universal cross‑site scripting (UXSS) vulnerability that enables script execution within the origin of arbitrary websites.

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A vulnerability in Adobe’s Acrobat Chrome extension could have let attackers silently steal WhatsApp chats, contacts, and account details by luring victims to a malicious webpage. Guardio dubbed the attack HermeticReader, and Adobe later patched the UXSS-class flaw as CVE-2026-48294. #AdobeAcrobat #Guardio #HermeticReader #WhatsAppWeb #CVE-2026-48294...

A newly disclosed flaw in the Adobe Acrobat Chrome extension allowed attackers to silently harvest WhatsApp Web chats, contacts, and profile data from any user who simply visited a malicious webpage no clicks, downloads, or credential theft required. Security researchers at Guardio Labs uncovered the flaw, dubbed “HermeticReader,” and officially tracked as CVE-2026-48294 with a CVSS score of 7.4. The bug is classified as a universal cross-site scripting (UXSS) issue that lets a malicious site bypass the browser’s same-origin policy and read data tied to a victim’s active session in another tab. HermeticReader (Source: Guardio) It affects every version of the Adobe Acrobat PDF Extension for Chrome up to and including 26.5.2.2, an extension installed on roughly 314–329 million browsers worldwide. How the HermeticReader Attack Works The exploit chain begins the moment a victim, who already has the extension installed, lands on an attacker-controlled page disguised as an ordinary site. From there, the attack unfolds in a few silent steps: A hidden iframe loaded from the extension’s own web-accessible resources sends a forged message to the extension’s background service worker, which never verifies who the sender actually is. This lets the attacker write arbitrary data into the extension’s local storage, flipping on a hidden feature flag that activates “Hermes,” Adobe’s dormant WhatsApp Web integration engine. The malicious page then quietly opens WhatsApp Web in a background tab and predicts its numeric tab ID by exploiting Chrome’s sequential tab-numbering system. Whatsapp Flow (Source: Guardio) With that ID in hand, the attacker sends commands directly to Hermes’s content script running on the WhatsApp tab, manipulating the page’s DOM. The final trick required no malicious script execution at all. Guardio’s researchers found that the compromised engine could inject a hidden form into WhatsApp Web’s page, then physically relocate the live chat body into that form using legitimate DOM operations. Because the form’s hidden option field had no “value” attribute, submitting it caused the browser to send the entire rendered text content of the page chat lists, contact names, message previews, and the open conversation straight to the attacker’s server. Since WhatsApp Web’s content security policy lacked a form-action restriction, the browser allowed this cross-origin submission without objection. The exposure was limited to on-screen, rendered text rather than raw encrypted message payloads, but for most users that distinction offers little comfort visible chat content is the secret. Guardio reported the issue to Adobe’s PSIRT, and the company moved unusually fast: the flaw was acknowledged, fixed, and shipped in version 26.5.2.3 within a single weekend, with the CVE formally assigned days later. The fix was pushed automatically through the Chrome Web Store, though security teams recommend verifying that installed extension versions are current. This case underscores a growing risk in the browser-extension ecosystem: individually minor flaws in message-passing, storage validation, and feature-flag logic can combine into a full account-compromise chain, especially in extensions with hundreds of millions of installs. As more extensions integrate directly with messaging platforms, unaudited “plumbing” code, not just headline zero-days, is emerging as a critical attack surface. The Privilege Paths Attackers See That You Don’t: BeyondTrust Pathfinder Platform Does It for You ->  Get Free Identity Security Assessment The post Adobe Acrobat Extension Flaw Lets Attackers Steal WhatsApp Chats From 329 Million Users appeared first on Cyber Security News .

A critical Universal Cross-Site Scripting (UXSS) vulnerability was recently discovered in the DuckDuckGo Android browser. This flaw allowed untrusted, cross-origin iframes to execute arbitrary JavaScript in the top-level origin, tracked with a high-severity CVSS score of 8.6. The vulnerability was originally detailed in a Medium post by security researcher Dhiraj Mishra. The vulnerability stems from the “AutoconsentAndroid” JavaScript bridge, a native component injected into web pages loaded by the DuckDuckGo Android application (com.duckduckgo.mobile.android). This bridge is designed to facilitate seamless communication between the browser’s native Android code and the web page displayed. However, it failed to implement proper security checks, leading to a severe breach of the Same-Origin Policy (SOP) . DuckDuckGo Browser UXSS Vulnerability The root cause of the exploit lies in how the AutoconsentAndroid bridge handles incoming messages. The bridge accepts messages from any frame, including those loaded from different origins (cross-origin iframes). It does this without validating the caller’s origin or requiring any secret token for authentication. When the bridge receives a message, an internal evalhandler function processes it and triggers the webView.evaluateJavascript(…) method. In the context of Android WebViews , this method executes the provided JavaScript code directly within the top-level document, rather than the isolated iframe where the message originated. Because of this specific behavior, a malicious iframe embedded within a legitimate webpage could use the  AutoconsentAndroid bridge as a proxy. By sending a crafted message containing malicious JavaScript, the iframe could force the top-level page to execute it. This completely bypasses the Same-Origin Policy, a fundamental security mechanism that prevents scripts on one webpage from accessing sensitive data on another. According to a researcher from Dhiraj Mishra , the issue was reported to the vendor via HackerOne and has since been fully patched by DuckDuckGo. UXSS is considered a critical browser-class vulnerability because it can be exploited without user interaction. By simply tricking a user into visiting a website that contains a hidden malicious iframe , an attacker could execute arbitrary code across entirely different origins. This architectural flaw could allow threat actors to steal sensitive information such as session cookies and authentication tokens . They could also invisibly inject malicious content into any trusted website the user visits through the vulnerable browser. The vulnerability was easily reachable under the browser’s default settings. Following the responsible disclosure through HackerOne, DuckDuckGo promptly addressed the issue, and the vulnerability has been patched in recent releases of the Android browser. Users and enterprise administrators are advised to ensure their DuckDuckGo application is updated to the latest available version to prevent exploitation. Follow us on Google News , LinkedIn , and X for daily cybersecurity updates. Contact us to feature your stories. The post DuckDuckGo Browser UXSS Flaw in Auto Consent JS Bridge Enables Cross-Origin Code Execution appeared first on Cyber Security News .

CVE-2026-15128 is a high-severity vulnerability in Google Chrome's Forms implementation that permits remote attackers to perform unauthorized script or HTML injection (UXSS) through crafted HTML pages. This affects all Chrome versions prior

The Navy has committed considerable time and resources to developing UxSs—unmanned aerial (UAS), surface (USV), and undersea (UUV) systems and vehicles.

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Introduction: A Quiet but Dangerous Browser Flaw A newly disclosed security flaw in the DuckDuckGo Android browser exposes users to a severe class of browser attacks known as Universal Cross-Site Scripting, or uXSS. Unlike ordinary cross-site scripting bugs that are limited to a single website, this vulnerability allows malicious code to escape iframe boundaries and execute directly inside the top-level page context.

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Introduction: Browser hacking has emerged as one of the most lucrative frontiers in modern cybersecurity, with tech giants like Google, Microsoft, and Mozilla offering substantial bounties for remote code execution (RCE), sandbox escapes, and UXSS vulnerabilities. In May 2026, a 50-year-old security researcher known as “Knowledge Hunter” reported a staggering 15 valid browser vulnerabilities across seven major platforms, including MSRC, Google, Opera, Firefox, Arc, Brave, and Tor Browser.

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