CVE-2023-43770

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

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

21 Oct 2025, 23:16

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

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43770', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:20

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

20 Dec 2024, 17:40

Type Values Removed Values Added
References () https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - Mailing List
References () https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - Release Notes, Vendor Advisory () https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - Release Notes

21 Nov 2024, 08:24

Type Values Removed Values Added
References () https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b - Patch () https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b - Patch
References () https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - Mailing List, Third Party Advisory
References () https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - Release Notes, Vendor Advisory () https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - Release Notes, Vendor Advisory

26 Sep 2023, 15:42

Type Values Removed Values Added
CWE CWE-79
First Time Roundcube
Debian
Debian debian Linux
Roundcube webmail
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.1
References (MISC) https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b - (MISC) https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b - Patch
References (MISC) https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - (MISC) https://roundcube.net/news/2023/09/15/security-update-1.6.3-released - Release Notes, Vendor Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - (MLIST) https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html - Mailing List, Third Party Advisory

22 Sep 2023, 14:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html -

22 Sep 2023, 06:15

Type Values Removed Values Added
New CVE
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

roundcube

  • webmail

debian

  • debian_linux
CWE
CWE-79

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