CVE-2020-13964

Description

An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. include/rcmail_output_html.php allows XSS via the username template object.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.87% Top 30%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory roundcube.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/roundcube/roundcubemail/releases/tag/1.4.5 release notes
https://github.com/roundcube/roundcubemail/commit/37e2bc745723ef6322f0f785aefd0b9313a40f19 patch
https://github.com/roundcube/roundcubemail/releases/tag/1.3.12 release notes
https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12 vendor advisory
https://www.debian.org/security/2020/dsa-4700 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13964?
CVE-2020-13964 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13964?
To fix CVE-2020-13964, 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-2020-13964 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13964 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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