# CVE-2020-35730: roundcube: 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

CVE-2020-35730 is fixed in 6 products on 1 platform, first by roundcube 1.3.6+dfsg.1-1ubuntu0.1~esm2, released January 5, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on June 22, 2023. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2020-35730
- Priority: Patch now
- CVSS: n/a (High)
- EPSS: 0.3292
- CISA KEV: listed Jun 22, 2023, federal due date Jul 13, 2023
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 28, 2020

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | roundcube Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-core Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube-core 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-core-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-core Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube-core 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-core-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-mysql Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube-mysql 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-mysql-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-mysql Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube-mysql 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-mysql-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-pgsql Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube-pgsql 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-pgsql-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-pgsql Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube-pgsql 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-pgsql-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-plugins Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube-plugins 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-plugins-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-plugins Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube-plugins 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-plugins-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-sqlite3 Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm2 | [roundcube-sqlite3 1.3.6+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-roundcube-sqlite3-1.3.6-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |
| Linux | roundcube-sqlite3 Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm2 | [roundcube-sqlite3 1.4.3+dfsg.1-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-roundcube-sqlite3-1.4.3-dfsg.1-1ubuntu0.1-esm2.md) | Jan 5, 2022 |

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