CVE-2020-35730

Published: Dec 28, 2020Modified: Jun 17, 2026CISA KEV

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.

Affected (6)

Products: Roundcube: Webmail · Fedoraproject: Fedora · Debian: Debian Linux

1 product

1 product

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Roundcube Webmail	Before 1.2.13
Roundcube Webmail	From 1.3.0 to 1.3.16
Roundcube Webmail	From 1.4 to 1.4.10

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 32
Fedoraproject Fedora	Version 33

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (19)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491

Source: cve@mitre.org

Issue TrackingMailing List

https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10

Source: cve@mitre.org

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.2.13

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.3.16

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.4.10

Source: cve@mitre.org

Release Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/

Source: cve@mitre.org

Mailing ListRelease Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/

Source: cve@mitre.org

Mailing ListRelease Notes

https://roundcube.net/download/

Source: cve@mitre.org

Product

https://www.alexbirnberg.com/roundcube-xss.html

Source: cve@mitre.org

Broken Link

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingMailing List

https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://github.com/roundcube/roundcubemail/releases/tag/1.2.13

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.3.16

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.4.10

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListRelease Notes

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListRelease Notes

https://roundcube.net/download/

Source: af854a3a-2127-422b-91ae-364da2661108

Product

https://www.alexbirnberg.com/roundcube-xss.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-35730

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.