# CVE-2020-13965

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.

- Page: https://www.vulneraibility.com/cve/CVE-2020-13965
- CVSS: 6.1
- Known exploited: yes, in CISA KEV since 2024-06-26; CISA due date 2024-07-17
- EPSS: 76.60% (percentile 99.5)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2024-04-13)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2024-06-26)
- Weakness: CWE-80
- Published: 2020-06-09

## Affected

- roundcube:webmail
- debian:debian_linux
- fedoraproject:fedora

## References

- [other] https://github.com/roundcube/roundcubemail/releases/tag/1.4.5
- [other] https://github.com/roundcube/roundcubemail/releases/tag/1.3.12
- [other] https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3
- [other] https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5
- [other] https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12
- [advisory] https://www.debian.org/security/2020/dsa-4700
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/
- [other] https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13965

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.