CVE-2025-30349

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
mitreCNA
7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA-ADPADP
---
---
CVEADP
---
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
Debian logo
Debian Releases
Debian Product
Codename
php-horde-imp
bullseye
vulnerable
bookworm
ignored
bullseye (security)
6.2.27-2+deb11u1
fixed
sid
vulnerable
Common Weakness Enumeration
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