CVE-2026-54433

A flaw was found in Roundcube Webmail. A remote attacker could exploit a Stored Cross-Site Scripting XSS vulnerability by sending a specially crafted plain-text email message. When the victim opens or previews this message, attacker-controlled JavaScript executes within their authenticated sessio...

CVE-2026-54433

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting XSS via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message zero-click...

CVE-2026-54433

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting XSS via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message zero-click...

CVE-2026-54433

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting XSS via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message zero-click...

The Onboarding Password Mistake That Creates Unnecessary Risk

Employee onboarding is a busy time for IT teams. New starters need devices, accounts, access permissions, and passwords, all delivered within a tight timeframe. That usually means sharing a temporary "first-day" password so employees can access systems for the first time. The issue is that these...

VulnCheck KEV: CVE-2020-35730

Roundcube Webmail contains a cross-site scripting XSS vulnerability that allows an attacker to send a plain text e-mail message with Javascript in a link reference element that is mishandled by linkrefaddinindex in rcubestringreplacer.php...

SUSE CVE-2020-35730

An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkrefaddindex in rcubestringreplacer.php...

[SECURITY] Fedora 35 Update: python-markdown2-2.4.2-1.fc35

Markdown is a text-to-HTML filter; it translates an easy-to-read / easy-to-write structured text format into HTML. Markdown's text format is most similar to that of plain text email, and supports features such as headers, emphasis, code blocks, blockquotes, and links. This is a fast and complete...

UBUNTU-CVE-2021-26929

An XSS issue was discovered in Horde Groupware Webmail Edition through 5.2.22 where the HordeTextFilter library before 2.3.7 is used. The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke us...

Cross site scripting

An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkrefaddindex in rcubestringreplacer.php...

[SECURITY] Fedora 11 Update: python-markdown2-1.0.1.15-1.fc11

Markdown is a text-to-HTML filter; it translates an easy-to-read / easy-to-write structured text format into HTML. Markdown's text format is most similar to that of plain text email, and supports features such as headers, emphasis, code blocks, blockquotes, and links. This is a fast and complete...

EPIC FAIL: new user signups result in plain text email with all login details

After signing up to a JIRA instance, I got an email which simply amazed me - it contained: My username My email address My full name My password It was all there, right before me, in a plain-text unencrypted email sent across a public network. WTF?! I'm not sure which universe that's considered a...

Microsoft Windows Win32 API fails to properly validate function parameters

Overview The Microsoft Windows Win32 API fails to properly validate function parameters, which could allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description The Microsoft Windows Win32 API is a set of application programming interfaces for the...

Microsoft Internet Explorer VML buffer overflow

Overview Microsoft Internet Explorer IE fails to properly handle Vector Markup Language tags. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description Microsoft IE version 5.0 and higher supports the Vector Markup Language VML,...

Microsoft Internet Explorer VML stack buffer overflow

Overview Microsoft Internet Explorer IE fails to properly handle Vector Markup Language tags. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description Microsoft IE version 5.0 and higher supports the Vector Markup Language VML,...