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.

The following products are affected by CVE-2025-30349 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-30349.

URL	Resource
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.debian.org/debian-lts-announce/2025/04/msg00008.html
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