MEDIUM CISA KEV

CVE-2020-35730

CVSS v3

6.1

MEDIUM

EPSS Score

64.8%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
6/22/2023
Patch Due Date
7/13/2023
Ransomware Use
Unknown

Technical details

Published
12/28/2020

Frequently asked questions

What is CVE-2020-35730?

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.

Is CVE-2020-35730 actively exploited?

Yes. CVE-2020-35730 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 7/13/2023.

What is the CVSS score for CVE-2020-35730?

CVE-2020-35730 has a CVSS v3 base score of 6.1 (MEDIUM severity).

Is CVE-2020-35730 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.