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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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4.3 CVSS
CVE-2012-3508
Exploit Found

Cross-site scripting (XSS) vulnerability in program/lib/washtml.php in Roundcube Webmail 0.8.0 allows remote attackers to inject arbitrary web script or HTML by using "javascript:" in an href attribute in the body of an HTML-formatted email.

EPSS: 4.20%
2.6 CVSS

Cross-site scripting (XSS) vulnerability in program/steps/mail/func.inc in RoundCube Webmail before 0.8.0, when using the Larry skin, allows remote attackers to inject arbitrary web script or HTML via the email message subject.

EPSS: 2.13%
2.6 CVSS

Cross-site scripting (XSS) vulnerability in Roundcube Webmail before 0.7, when Internet Explorer is used, allows remote attackers to inject arbitrary web script or HTML via vectors involving an embedded image attachment.

EPSS: 1.81%
5.0 CVSS

include/iniset.php in Roundcube Webmail 0.5.4 and earlier, when PHP 5.3.7 or 5.3.8 is used, allows remote attackers to trigger a GET request for an arbitrary URL, and cause a denial of service (resource consumption and inbox outage), via a Subject header containing only a URL, a related issue to CVE-2011-3379.

EPSS: 2.26%
4.3 CVSS

Cross-site scripting (XSS) vulnerability in the UI messages functionality in Roundcube Webmail before 0.5.4 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter to the default URI.

EPSS: 2.45%
5.5 CVSS

steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.

EPSS: 1.76%
3.5 CVSS

The login form in Roundcube Webmail before 0.5.1 does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote authenticated users to obtain sensitive information by arranging for a victim to login to the attacker's account and then compose an e-mail message, related to a "login CSRF" issue.

EPSS: 1.52%
5.0 CVSS

Roundcube 0.3.1 and earlier does not request that the web browser avoid DNS prefetching of domain names contained in e-mail messages, which makes it easier for remote attackers to determine the network location of the webmail user by logging DNS requests.

EPSS: 1.96%
6.8 CVSS

Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail 0.2.2 and earlier allows remote attackers to hijack the authentication of unspecified users for requests that send arbitrary emails via unspecified vectors, a different vulnerability than CVE-2009-4076.

EPSS: 1.34%
6.8 CVSS

Cross-site request forgery (CSRF) vulnerability in Roundcube Webmail 0.2.2 and earlier allows remote attackers to hijack the authentication of unspecified users for requests that modify user information via unspecified vectors, a different vulnerability than CVE-2009-4077.

EPSS: 1.34%