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
- 2023-06-22
- Patch Due Date
- 2023-07-13
- Ransomware Use
- Unknown
Technical details
- Published
- 2020-12-28
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 2023-07-13.
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?
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