Medium severity · published Oct 18, 2023
CVE-2023-5631
Stored XSS vulnerability in Roundcube
In wildKEV
5.4
CVSS
76.3%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)76.3% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Oct 26, 2023
Federal remediation dueNov 16, 2023
Ransomware campaign useNot known
Affected products
Which versions
RO
Roundcubemail · Roundcube
1.6.0 before 1.6.3; 1.5.0 before 1.5.4; 1.4.0 before 1.5.14 · source: vendor
DL
Debian Linux · Debian
10.0; 11.0; 12.0 · source: NVD
FE
Fedora · Fedoraproject
39 · source: NVD
WE
Webmail · Roundcube
before 1.4.15; 1.5.0 before 1.5.5; 1.6.0 before 1.6.4 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5631
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
github.com
https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
github.com
https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
github.com
https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
github.com
https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
github.com
https://github.com/roundcube/roundcubemail/issues/9168
roundcube.net
https://roundcube.net/news/2023/10/16/security-update-1.6.4-released