CVE-2020-13965
Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Roundcube WebmailApplications & CMS
CVSS
6.3MediumExploit odds (EPSS)76.6%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 11
- github.com/roundcube/roundcubemail/releases/tag/1.4.5Fixvia CVE List
- github.com/roundcube/roundcubemail/releases/tag/1.3.12Fixvia CVE List
- github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3Fixvia CVE List
- roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12Advisoryvia CVE List
- debian.org/security/2020/dsa-4700Advisoryvia CVE List
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/Advisoryvia CVE List
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2020-13965Referencevia CISA KEV
- github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5Referencevia CVE List
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-RoundcubeReferencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13965Referencevia CVE List