CVE-2023-43770

Known Exploited

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 76.83% Top 5%
KEV Since 
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/roundcube/roundcubemail/commit/e92ec206a886461245e1672d8530cc93c618a49b patch
https://roundcube.net/news/2023/09/15/security-update-1.6.3-released release notes
https://lists.debian.org/debian-lts-announce/2023/09/msg00024.html mailing list

Frequently Asked Questions

What is the severity of CVE-2023-43770?
CVE-2023-43770 has been scored as a medium severity vulnerability.
How to fix CVE-2023-43770?
To fix CVE-2023-43770, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-43770 being actively exploited in the wild?
It is confirmed that CVE-2023-43770 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~77% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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