CVE-2020-13965

roundcubemail: XSS via a malicious XML attachment

Published Jun 9, 2020 CVSS 3.1 · 6.3 Medium EPSS 76.6% KEV · Listed
Description
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4700-1 roundcube security update
Ubuntu USN Ubuntu USN USN-5182-1 Roundcube Webmail vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:roundcube:webmail:-:*:*:*:*:*:*:*
cpe:2.3:a:roundcube:webmail:1.4.0:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

Type Values Removed Values Added
Metrics epss

{'score': 0.85831}

epss

{'score': 0.85416}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 21, 2025, 11:35 PM
Reserved
Jun 9, 2020, 12:00 AM
Status
Analyzed
Published
Jun 9, 2020, 3:15 AM
Modified
Jun 17, 2026, 2:54 AM
Severity
Moderate
Public date
Jun 9, 2020, 12:00 AM