---
cve: "CVE-2023-5631"
severity: "MEDIUM"
cvss: 6.1
epss: "75.9%"
vendor: "Roundcube"
kev: true
exploited: true
published: "2023-10-18 15:15:08"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T22:12:34+02:00"
---

# CVE-2023-5631

> 6.1 MEDIUM · ⚠️ CISA KEV (1053 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

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-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- cbe01454f1e82fc1617f72cb6209d78fc001e6b3 (Commit)
- fe42e143cac01f0aabbbe5be7f1ee29236d3594b (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-5631) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_