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webmail

Vendor: roundcube

Actively Exploited 11 CISA KEV List
PoC / Exploits 15 Code Available
Total RCEs 7 Remote Access
Total CVEs 551 Total Indexed
Avg. EPSS 11.66% Exploit Prob.
Latest CVE CVE-2026-54433 Jul 14

Security Vulnerability Index

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6.1 CVSS

Cross-site scripting (XSS) vulnerability in program/include/rcmail.php in Roundcube Webmail 1.1.x before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter to the default URI.

EPSS: 2.53%
8.8 CVSS

Roundcube Webmail allows arbitrary password resets by authenticated users. This affects versions before 1.0.11, 1.1.x before 1.1.9, and 1.2.x before 1.2.5. The problem is caused by an improperly restricted exec call in the virtualmin and sasl drivers of the password plugin.

EPSS: 3.47%
6.1 CVSS

Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.0.9 and 1.1.x before 1.1.5 allows remote attackers to inject arbitrary web script or HTML via a crafted SVG, a different vulnerability than CVE-2015-8864.

EPSS: 2.48%
6.1 CVSS

Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.0.9 and 1.1.x before 1.1.5 allows remote attackers to inject arbitrary web script or HTML via a crafted SVG, a different vulnerability than CVE-2016-4068.

EPSS: 2.65%
6.1 CVSS

rcube_utils.php in Roundcube before 1.1.8 and 1.2.x before 1.2.4 is susceptible to a cross-site scripting vulnerability via a crafted Cascading Style Sheets (CSS) token sequence within an SVG element.

EPSS: 1.29%
8.8 CVSS

Multiple buffer overflows in the DBMail driver in the Password plugin in Roundcube before 1.1.0 allow remote attackers to have unspecified impact via the (1) password or (2) username.

EPSS: 2.87%
8.8 CVSS

The DBMail driver in the Password plugin in Roundcube before 1.1.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the password.

EPSS: 4.71%
6.1 CVSS

Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 1.2.0 allows remote attackers to inject arbitrary web script or HTML via the href attribute in an area tag in an e-mail message.

EPSS: 1.37%
7.5 CVSS
CVE-2016-9920
RCE Exploit Found

steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.

EPSS: 5.62%
8.8 CVSS

Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail before 1.1.5 allows remote attackers to hijack the authentication of users for requests that download attachments and cause a denial of service (disk consumption) via unspecified vectors.

EPSS: 2.71%