CVE-2023-5631

Known Exploited Public Exploit
Stored XSS vulnerability in Roundcube

Description

Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker to load arbitrary JavaScript code.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 90.74% Top 5%
KEV Since 
Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory debian.org
Affected: Roundcube Roundcubemail
Published at:
Updated at:

References

Link Tags
https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613 patch
https://github.com/roundcube/roundcubemail/releases/tag/1.6.4 release notes
https://github.com/roundcube/roundcubemail/releases/tag/1.5.5 release notes
https://github.com/roundcube/roundcubemail/releases/tag/1.4.15 release notes
https://github.com/roundcube/roundcubemail/issues/9168 issue tracking exploit
https://roundcube.net/news/2023/10/16/security-update-1.6.4-released release notes
https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d patch
https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15 release notes
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079 mailing list patch
https://www.debian.org/security/2023/dsa-5531 mailing list
https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/11/01/1 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/11/01/3 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/ mailing list
http://www.openwall.com/lists/oss-security/2023/11/17/2 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-5631?
CVE-2023-5631 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5631?
To fix CVE-2023-5631, 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-2023-5631 being actively exploited in the wild?
It is confirmed that CVE-2023-5631 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~91% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5631?
CVE-2023-5631 affects Roundcube Roundcubemail.
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