MEDIUM CISA KEV

CVE-2023-43770

CVSS v3

6.1

MEDIUM

EPSS Score

76.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.

CISA Known Exploited Vulnerability

Date Added
2/12/2024
Patch Due Date
3/4/2024
Ransomware Use
Unknown

Technical details

Published
9/22/2023

Frequently asked questions

What is CVE-2023-43770?

Roundcube before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3 allows XSS via text/plain e-mail messages with crafted links because of program/lib/Roundcube/rcube_string_replacer.php behavior.

Is CVE-2023-43770 actively exploited?

Yes. CVE-2023-43770 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 3/4/2024.

What is the CVSS score for CVE-2023-43770?

CVE-2023-43770 has a CVSS v3 base score of 6.1 (MEDIUM severity).

Is CVE-2023-43770 affecting your environment?

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