CVE-2023-5631
CVSS v3
5.4
MEDIUM
EPSS Score
76.9 %
exploit probability, as of 2026-10-19
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- roundcubeBitnamiall versions · fixed in 1.4.15
Vendor advisories
- CVE-2023-5631 Red Hat Product Security
roundcube: cross-site scripting (XSS) vulnerability in handling of SVG in HTML messages
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.
CISA Known Exploited Vulnerability
- Date Added
- 2023-10-26
- Patch Due Date
- 2023-11-16
- Ransomware Use
- Unknown
Technical details
- Published
- 2023-10-18
Frequently asked questions
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Related vulnerabilities
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