What’s Vulnerable › Vulnerabilities

CVE-2023-47272

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-06 · updated 2026-06-17
• Weakness: CWE-79

Description

Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 allows XSS via a Content-Type or Content-Disposition header (used for attachment preview or download).

Affected products

• Debian Linux: 10.0, 11.0, 12.0
• Fedoraproject Fedora: 37, 38, 39
• Roundcube Webmail: from 1.5.0 before 1.5.6; from 1.6.0 before 1.6.5 — fixed in 1.5.6, 1.6.5

How to fix

Upgrade to a fixed version: Roundcube Webmail 1.5.6, 1.6.5. Check the vendor advisory for mitigations.

References

• https://github.com/roundcube/roundcubemail/commit/5ec496885e18ec6af956e8c0d627856c2257ba2d
• https://github.com/roundcube/roundcubemail/releases/tag/1.5.6
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.5
• https://lists.debian.org/debian-lts-announce/2023/12/msg00005.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GILSR762MJB3BNJOVOCMW2JXEPV46IIQ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFRGBPET73URF6364CI547ZVWQESJLGK/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4F4DUA3Q46ZVB2RD7BFP4XMNS4RYFFQ/
• https://www.debian.org/security/2023/dsa-5572
• https://github.com/roundcube/roundcubemail/commit/5ec496885e18ec6af956e8c0d627856c2257ba2d
• https://github.com/roundcube/roundcubemail/releases/tag/1.5.6
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.5
• https://lists.debian.org/debian-lts-announce/2023/12/msg00005.html

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