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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b	Patch
https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html	Mailing List
https://roundcube.net/news/2023/09/15/security-update-1.6.3-released	Release Notes
https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b	Patch
https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html	Mailing List
https://roundcube.net/news/2023/09/15/security-update-1.6.3-released	Release Notes
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

31 Oct 2025, 14:38

Type	Values Removed	Values Added
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770 - US Government Resource

Information

Published : 2023-09-22 06:15

Updated : 2025-10-31 14:38

NVD link : CVE-2023-43770

Mitre link : CVE-2023-43770

CVE.ORG link : CVE-2023-43770

JSON object : View

Products Affected

debian

debian_linux

roundcube

webmail

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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