What EVULNABLE says
Listed in the CISA KEV catalog, and Confirmed exploitation in the wild.
Patch This Cycle
CVE-2023-43770
Roundcube — Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
CISA KEV · in the CISA KEV catalog since 2024-02-12
The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.
The evidence behind it
| Measure | Value | Source |
|---|---|---|
| CVSS base score | 6.1 | NVD |
| FIRST EPSS | 0.585 (99.03rd pctl) | FIRST |
| Actively exploited | Confirmed | CISA KEV |
| Ransomware campaign use | Unknown or none | CISA KEV |
| CISA remediation deadline | 2024-03-04 — Overdue by 2.5 years | CISA KEV |
What CISA says to do
The primary records
This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.
Where this sits
CVE-2023-43770 is one of the entries ranked on the priority feed and in the non-Microsoft advisories.