CVE-2020-18671: Cross Site Scripting (XSS) vulnerability in Roundcube Mail <=1.4.4 via smtp config in /installer/test.php

Medium severity · published Jun 24, 2021

CVE-2020-18671

Cross Site Scripting (XSS) vulnerability in Roundcube Mail <=1.4.4 via smtp config in /installer/test.php

5.4

CVSS

0.8%

EPSS

On KEV

Description

Cross Site Scripting (XSS) vulnerability in Roundcube Mail <=1.4.4 via smtp config in /installer/test.php.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.8% · higher than 57% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Webmail · Roundcube

through 1.4.4 · source: NVD

Affected product

Webmail

Roundcube

All Webmail CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-18671

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-18671

Issue Tracking

https://github.com/roundcube/roundcubemail/issues/7406

Exploit

https://lorexxar.cn/2020/06/10/roundcube-mail-xss/#store-xss-in-smtp-config

Patch

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