WhatsApp Web chats exposed by Adobe’s Acrobat extension flaw

HermeticReader is the name given to a recently disclosed vulnerability in the Adobe Acrobat PDF extension for Chrome, tracked as CVE-2026-48294. Researchers discovered the issue in early June 2026 and reported it to Adobe, which patched the flaw over a single weekend. They found that a single vis...

Adobe Acrobat Extension Flaw Let Malicious Sites Read WhatsApp Web Data

Cybersecurity researchers have disclosed details of a now-patched vulnerability chain in the Adobe Acrobat Chrome extension that has over 314 million users, which, if exploited, could facilitate a silent hijack of a user's WhatsApp data. The shortcoming has been codenamed HermeticReader by Guardi...

CVE-2026-48294

CVE-2026-48294 (CVSS 7.4 HIGH) is a UXSS-class cross-origin data disclosure vulnerability in the Adobe Acrobat PDF Extension for Chrome (ID: efaidnbmnnnibpcajpcglclefindmkaj), affecting versions 26.5.2.2 and earlier (~314 million users). Codenamed HermeticReader by Guardio Labs, the flaw exploits...

CVE-2026-48294

Adobe Acrobat PDF Extension Chrome versions 26.5.2.2 and earlier are affected by a UXSS-class cross-origin data disclosure vulnerability. An attacker could exploit this vulnerability to gain access to data regarding the victim's session. Exploitation of this issue requires user interaction in tha...

PT-2026-50077

Name of the Vulnerable Software and Affected Versions Adobe Acrobat PDF Extension Chrome versions prior to 26.5.2.3 Description A UXSS-class cross-origin data disclosure issue exists where an attacker can gain access to the victim's session data. UXSS Universal Cross-Site Scripting is a type of...

Vulnerability of the Adobe Acrobat browser extension developed by Microsoft Edge, allowing a hacker to execute arbitrary code

The vulnerability of the Adobe Acrobat browser extension for Microsoft Edge relates to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows an attacker to execute arbitrary code using a specially created malicious PDF file...

Adobe Acrobat Extension for Chrome Cross-Site Scripting Vulnerability

Adobe Acrobat are the United States of America Odo than Adobe company's a PDF file editing and conversion tools.Adobe Acrobat Extension for Chrome is used for Chrome extension. Acrobat Extension for Chrome version 15.1.0.3 there is a cross-site scripting vulnerability, the vulnerability stems fro...