Home / Vulnerabilities / CVE-2020-35730
MEDIUM SEVERITY
CVE-2020-35730 Roundcube · Roundcube Webmail

Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
6.1 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploitation Likelihood

EPSS Prediction

69.03 %
Predictive Probability
Percentile Rank
98.6 th

Documented as more likely to be exploited than 98.6% of known CVEs.

Detection Date

Jun 22, 2023

Remediation Due

Jul 13, 2023

CISA Catalog Active

Threat Analysis

Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows an attacker to send a plain text e-mail message with Javascript in a link reference element that is mishandled by linkref_addinindex in rcube_string_replacer.php.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence