CVE detail
CVE-2020-13965: Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Roundcube · Webmail
- Date added (KEV)
- Jun 26, 2024
- CISA due date
- Jul 17, 2024
- Ransomware campaign use
- Unknown
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor fix: Vendor advisory
Scorifya interpretation
AI-generatedA short, structured read of the record above, generated when this page first loads, then cached for a week.
Plain English
Technical detail
From CISA
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.
https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12; https://nvd.nist.gov/vuln/detail/CVE-2020-13965
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Roundcube directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12Vendor Advisory
- https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12Vendor Advisory
- https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3PatchThird Party Advisory
- https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5Patch
- https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3PatchThird Party Advisory
- https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5Patch
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-RoundcubeExploitThird Party Advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.12Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.5Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/Mailing List
- https://www.debian.org/security/2020/dsa-4700Third Party Advisory
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-RoundcubeExploitThird Party Advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.12Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.5Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/Mailing List
- https://www.debian.org/security/2020/dsa-4700Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13965US Government Resource
Other recent CVEs from Roundcube
- CVE-2025-49113Webmail, RoundCube Webmail Deserialization of Untrusted Data Vulnerability
- CVE-2025-68461Webmail, RoundCube Webmail Cross-site Scripting Vulnerability
- CVE-2024-42009Webmail, RoundCube Webmail Cross-Site Scripting Vulnerability
- CVE-2024-37383Webmail, RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
- CVE-2023-43770Webmail, Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability