Live › vulnerability › CVE-2020-13965
Go to dashboardRoundcube Webmail has a cross-site scripting flaw triggered by a malicious XML attachment. An attacker who gets a user to open such a message can run script in the victim's webmail session.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| roundcube webmail | vendor | < 1.3.12 | 1.3.12 |
| roundcube webmail | vendor | >= 1.4.0, < 1.4.5 | 1.4.5 |
| debian linux | vendor | = 9.0 | – |
| debian linux | vendor | = 10.0 | – |
| fedoraproject fedora | vendor | = 31 | – |
| fedoraproject fedora | vendor | = 32 | – |
| Roundcube Webmail | vendor | – | – |
Unknown from the sources.
Apply the vendor mitigation or upgrade Roundcube to a fixed release; the sources do not name the fixed version.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Roundcube Webmail contains a cross-site scripting (XSS) vulnerability that allows a remote attacker to manipulate data via a malicious XML attachment.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2020-13965")
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