CVE-2024-42009

s and, as such, are frequently targeted by government-backed cyber goons. To gain initial access, the intruders exploit CVE-2024-42009, a cross-site scripting vulnerability in Roundcube that only requires that the email is opened in the mail client to achieve access to the server. “The targeted departments were likely specifically chosen because they w

ning the email in a vulnerable Roundcube webmail client triggers exploitation of a cross-site scripting flaw tracked as CVE-2024-42009, which executes JavaScript code inside the victim’s browser, loading a payload called IceCube. According to the researchers, IceCube "is a fully-featured Roundcube stealer" that can harvest usernames, passwords, cookies

try Points Proofpoint found that UNK_MassTraction used phishing emails containing malicious content designed to exploit CVE-2024-42009, a cross-site scripting (XSS) vulnerability in Roundcube. When executed in a vulnerable webmail client, the exploit allowed JavaScript to run in the victim's browser. The JavaScript payload, tracked by Proofpoint as Ice

e activity involves the exploitation of now-patched, critical security flaws in the open-source email solution, such as CVE-2024-42009 (CVSS score: 9.3), to siphon credentials,

State-aligned hacking groups have spent the past six months ramping up espionage, sabotage, and cybercrime campaigns across multiple regions, according to ESET’s APT Activity Report covering April through September 2025. The research highlights how operations linked to Russia, China, Iran, and North Korea have evolved in scope and technique, showing that nation-state activity remains a constant source of disruption. Attack sources (Source: ESET) Russia’s focus on Ukraine and its allies Russia-linked actors remained among the … More →

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds RoundCube Webmail and Erlang Erlang/OTP SSH server flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added RoundCube Webmail and Erlang Erlang/OTP SSH server flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the descriptions for these flaws: The CVE-2025-32433 flaw is a […]

Exploitation of a critical-severity RCE vulnerability in Roundcube started only days after a patch was released.

With an exploit for a critical Roundcube vulnerability (CVE-2025-49113) being offered for sale on underground forums and a PoC exploit having been made public, attacks exploiting the flaw are incoming and possibly already happening. According to the Shadowserver Foundation, there is no lack of possible targets: around 84,000 internet-facing installations – predominantly in Europe, Asia, and North America – are still unpatched. What is Roundcube? Roundcube is a free and open-source web-based email client that’s … More →

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: August 2024 Patch Tuesday forecast: Looking for a calm August release August 2024 July ended up being more ‘exciting’ than many of us wanted; we’re supposed to be in the height of summer vacation season. First, we had a large set of updates on Patch Tuesday, then we had to work through the CrowdStrike event, and finally many of us … More →

Researchers warn of flaws in the Roundcube webmail software that could be exploited to steal sensitive information from target accounts. Sonar’s Vulnerability Research Team discovered a critical Cross-Site Scripting (XSS) vulnerability in the popular open-source webmail software Roundcube. Roundcube is included by default in the server hosting panel cPanel which has millions of installations worldwide. […]

Two cross-site scripting vulnerabilities (CVE-2024-42009, CVE-2024-42008) affecting Roundcube could be exploited by attackers to steal users’ emails and contacts, email password, and send emails from their account. About the vulnerabilities Roundcube is an open-source webmail software solution popular with European government agencies, hosting providers and academic institutions around the world. CVE-2024-42009 and CVE-2024-42008 are both XSS bugs. The former allows a remote attacker to steal and send emails of a victim via a crafted e-mail … More →