CVE-2023-43770

high-risk
Published 2023-09-22

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.

Do I need to act?

!
80.4% chance of exploitation in next 30 days
EPSS score — higher than 20% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Roundcube

References (7)

Patch https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc...
Mailing List https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html
Release Notes https://roundcube.net/news/2023/09/15/security-update-1.6.3-released
Patch https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc...
Mailing List https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html
Release Notes https://roundcube.net/news/2023/09/15/security-update-1.6.3-released
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
57
/ 100
high-risk
Severity 23/34 · High
Exploitability 27/34 · High
Exposure 7/34 · Low