Description
Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.
Metrics
CVSS 3.1 7.2/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Horde | IMP | <= 6.2.27 |
References
- https://github.com/horde/base/releases/tag/v5.2.23
- https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L23-L25
- https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L61-L62
- https://github.com/horde/imp/releases/tag/v6.2.27
- https://github.com/horde/webmail/releases/tag/v5.2.22
- https://github.com/natasaka/CVE-2025-30349/
- https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
- https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
- https://web.archive.org/web/20250321152616/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
- https://web.archive.org/web/20250321162434/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
- https://www.horde.org/apps/horde
- https://www.horde.org/apps/imp
- https://www.horde.org/download/horde
- https://lists.debian.org/debian-lts-announce/2025/04/msg00008.html
Timeline
- Published
- Mar 21, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Deferred