CVE-2020-13965

Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability

Roundcube — Webmail

Added to KEV catalog: 26 June 2024
Federal remediation due date: 17 July 2024
Weakness classification (CWE): CWE-80

CISA Description

Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

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

View on NVD View on MITRE CVE View full CISA catalog

More Roundcube Vulnerabilities

CVE-2025-49113

RoundCube Webmail Deserialization of Untrusted Data Vulnerability

CVE-2025-68461

RoundCube Webmail Cross-site Scripting Vulnerability

CVE-2024-42009

RoundCube Webmail Cross-Site Scripting Vulnerability

CVE-2024-37383

RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability

CVE-2023-43770

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Confirm Your Exposure

Is this vulnerability present in your environment?

CRS delivers independent VAPT assessments that identify exactly which known-exploited vulnerabilities exist in your network, applications, and infrastructure.

Explore VAPT Services