Is CVE-2023-43770 actively exploited?

Yes. CVE-2023-43770 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-43770 be exploited remotely?

The attack vector of CVE-2023-43770 has not been classified yet.

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

CVE-2023-43770 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-43770

HIGHCISA KEVIN THE WILD

CVE-2023-43770

Published: February 12, 2024

EPSS:76.43%probability of exploitation in 30 daysPercentile:98.9th

Official Description

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.

NVD Source

CISA KEV Advisory

Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.

Added to KEV: 2024-02-12Federal patch deadline: 2024-03-04

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

This vulnerability in Roundcube Webmail allows for persistent cross-site scripting (XSS) through malicious links in plain text messages, potentially leading to information disclosure. With an EPSS score of 0.76431, there is a high likelihood of exploitation, and its presence in CISA's KEV confirms active exploitation, making it an urgent concern.

Active exploitation of this vulnerability has been observed in the wild, as confirmed by its inclusion in CISA's KEV.

Recommended Action

Administrators should ensure Roundcube Webmail installations are updated to the latest secure versions to address this XSS vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-43770 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-43770 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.