roundcube webmail CVE-2023-43770 vulnerability in Roundcube and Other Products
Published on September 22, 2023

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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.

Vendor Advisory NVD

Known Exploited Vulnerability

This Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that can lead to information disclosure via malicious link references in plain/text messages.

The following remediation steps are recommended / required by March 4, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-43770 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2023-43770 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2023-43770

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-43770 are published in these products:

Roundcube Webmail
 
Debian Linux
 
Canonical Ubuntu Linux
 

What versions are vulnerable to CVE-2023-43770?