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.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491Issue Tracking, Mailing List
- https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.13Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.16Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.10Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/Mailing List, Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/Mailing List, Release Notes
- https://roundcube.net/download/Product
- https://www.alexbirnberg.com/roundcube-xss.htmlBroken Link
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491Issue Tracking, Mailing List
- https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.13Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.16Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.10Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/Mailing List, Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/Mailing List, Release Notes
- https://roundcube.net/download/Product
- https://www.alexbirnberg.com/roundcube-xss.htmlBroken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-35730US Government Resource
Timeline
- Published
- Dec 28, 2020
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- Jun 22, 2023
- NVD status
- Analyzed