📄 Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution

This Metasploit module exploits CVE-2023-7102, an arbitrary code execution vulnerability in Barracuda Email Security Gateway ESG appliances. The vulnerability exists in how the Amavis scanner processes Excel attachments using the Perl Spreadsheet::ParseExcel library. The librarys Utility.pm...

Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution

This module exploits CVE-2023-7102, an arbitrary code execution vulnerability in Barracuda Email Security Gateway ESG appliances. The vulnerability exists in how the Amavis scanner processes Excel attachments using the Perl Spreadsheet::ParseExcel library. The library's Utility.pm contains an...

CVE-2026-44549

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated...

Notorious Emotet Malware Returns With High-Volume Malspam Campaign

The notorious Emotet malware has returned with renewed vigor as part of a high-volume malspam campaign designed to drop payloads like IcedID and Bumblebee. "Hundreds of thousands of emails per day" have been sent since early November 2022, enterprise security company Proofpoint said last week,...

TA505 Gang Is Back With Newly Polished FlawedGrace RAT

The TA505 cybercrime group is whirring its financial rip-off machinery back up, pelting malware at a range of industries in what was initially low-volume waves that researchers saw spiral up late last month. They do bad things, but they’re so tricky that tracking them is a ton of fun, said Sherro...

Hakbit Ransomware Attack Uses GuLoader, Malicious Microsoft Excel Attachments

A ransomware campaign, dubbed Hakbit, is targeting mid-level employees across Austria, Switzerland and Germany with malicious Excel attachments delivered via the popular email provider GMX. The spear-phishing based campaign is low volume and so far targeted the pharmaceutical, legal, financial,...