CVE-2020-13965VulnerabilityPublished 06/26/2024Updated 10/24/2026
CVE-2020-13965: Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
Affects Roundcube WebmailSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 06/26/2024
- KEV deadline
- 07/17/2024
- EPSS
- 76.6% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.