CVE-2020-13965

6.1 MEDIUM CISA KEV - Actively Exploited

Published: June 09, 2020 Modified: November 04, 2025

Description

An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube

Source: cve@mitre.org

Exploit Third Party Advisory

https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3

Source: cve@mitre.org

Patch Third Party Advisory

https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.3.12

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.4.5

Source: cve@mitre.org

Release Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/

Source: cve@mitre.org

Mailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/

Source: cve@mitre.org

Mailing List

https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12

Source: cve@mitre.org

Vendor Advisory

https://www.debian.org/security/2020/dsa-4700

Source: cve@mitre.org

Third Party Advisory

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube