Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.3 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

71.82 %

Predictive Probability

Percentile Rank

98.7 th

Documented as more likely to be exploited than 98.7% of known CVEs.

Detection Date

Jun 26, 2024

Remediation Due

Jul 17, 2024

CISA Catalog Active

Threat Analysis

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

Remediation Directive

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

External Intelligence

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

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2020-13965