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Showing 25 vulnerabilities on this page

Signals CISA KEV Ransomware Nuclei
VulnerabilityTitle and contextCVSSEPSSPoCsSignals

Roundcube Webmail Stored Cross-Site Scripting via Attachment MIME Type

Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.

CWE-79Jul 14, 2026
CVSS4.7v3.1EPSS0.221%PoCs0SignalsSTIX

Roundcube Webmail Stored Cross-Site Scripting via Crafted Plain-Text Email

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).

CWE-79Jul 14, 2026
CVSS7.2v3.1EPSS0.312%PoCs0SignalsSTIX

Roundcube Webmail Password Plugin Username Spoofing via Session Data

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.

CWE-290Jul 14, 2026
CVSS6.4v3.1EPSS0.259%PoCs0SignalsSTIX

Roundcube Webmail Insufficient CSS Sanitization Leading to SSRF or Information Disclosure

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.

CWE-918Jul 14, 2026
CVSS7.2v3.1EPSS0.246%PoCs0SignalsSTIX

Roundcube Webmail TNEF Decoder Infinite Loop Denial of Service

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.

CWE-835Jul 14, 2026
CVSS4.3v3.1EPSS0.277%PoCs0SignalsSTIX

Roundcube Webmail TNEF Decoder Denial of Service

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.

CWE-770Jul 14, 2026
CVSS4.3v3.1EPSS0.252%PoCs0SignalsSTIX

Roundcube Webmail Draft Restore Stored Cross-Site Scripting

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.

CWE-79May 25, 2026
CVSS4.4v3.1EPSS0.239%PoCs0SignalsSTIX

Roundcube Webmail CSS Injection via SVG Animate Element

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.

CWE-79May 25, 2026
CVSS7.2v3.1EPSS0.388%PoCs0SignalsSTIX

Roundcube Webmail Pre-Authentication Arbitrary File Deletion via Session Poisoning

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

CWE-669May 25, 2026
CVSS3.7v3.1EPSS0.433%PoCs0SignalsSTIX

Roundcube Webmail Remote Image Blocking Bypass via Crafted CSS var()

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information disclosure or access-control bypass.

CWE-669May 25, 2026
CVSS6.5v3.1EPSS0.405%PoCs0SignalsSTIX

Roundcube Webmail Remote Image Blocking Bypass via Local/Private URLs

In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.

CWE-669May 25, 2026
CVSS6.5v3.1EPSS0.377%PoCs0SignalsSTIX

Roundcube Webmail LDAP Autovalues Code Injection

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been removed in 1.6.16 and 1.7.1.)

CWE-670May 25, 2026
CVSS7.5v3.1EPSS0.414%PoCs0SignalsSTIX

Roundcube Webmail Insufficient CSS Sanitization Leading to SSRF or Information Disclosure

Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. The issue stems from an insufficient fix for CVE-2026-35540.

CWE-918May 25, 2026
CVSS7.2v3.1EPSS0.268%PoCs0SignalsSTIX

Roundcube Webmail virtuser_query Plugin Pre-authentication SQL Injection

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.

CWE-89May 25, 2026
CVSS8.1v3.1EPSS0.764%PoCs0SignalsSTIX

Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message

An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.

CWE-669Apr 3, 2026
CVSS5.3v3.1EPSS0.329%PoCs0SignalsSTIX

Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

CWE-669Apr 3, 2026
CVSS5.3v3.1EPSS0.366%PoCs0SignalsSTIX

Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.

CWE-669Apr 3, 2026
CVSS5.3v3.1EPSS0.402%PoCs0SignalsSTIX

Roundcube: Bypass of remote image blocking via crafted BODY background attribute

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.

CWE-669Apr 3, 2026
CVSS5.3v3.1EPSS0.402%PoCs0SignalsSTIX

Roundcube Webmail: Incorrect password comparison in the password plugin

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.

CWE-843Apr 3, 2026
CVSS4.2v3.1EPSS0.243%PoCs0SignalsSTIX

Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts.

CWE-669CWE-918Apr 3, 2026
CVSS5.4v3.1EPSS0.31%PoCs0SignalsSTIX

Roundcube Webmail: Insufficient HTML attachment sanitization in preview mode

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.

CWE-79Apr 3, 2026
CVSS6.1v3.1EPSS0.251%PoCs0SignalsSTIX

Roundcube Webmail: Unsanitized IMAP SEARCH command arguments

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

CWE-88Apr 3, 2026
CVSS3.1v3.1EPSS0.283%PoCs0SignalsSTIX

Roundcube Webmail: Unsafe deserialization in the redis/memcache session handler

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.

CWE-502Apr 3, 2026
CVSS3.7v3.1EPSS0.475%PoCs0SignalsSTIX

Roundcube Webmail CSS Injection

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.

CWE-829Feb 11, 2026
CVSS4.7v3.1EPSS0.292%PoCs0SignalsSTIX

Roundcube Webmail SVG feImage Information Disclosure

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

CWE-420Feb 9, 2026
CVSS4.3v3.1EPSS0.629%PoCs1SignalsSTIX