CVE-2025-30349

HIGH EXPLOITED

Horde IMP <6.2.27 - XSS

Title source: llm

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.

Exploits (1)

nomisec WORKING POC

by natasaka · client-side

https://github.com/natasaka/CVE-2025-30349

View Code ZIP pw:eip

References (14)

[Various Sources] https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L61-L62

[Various Sources] https://github.com/natasaka/CVE-2025-30349/

[Various Sources] https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html

[Various Sources] https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html

[Various Sources] https://web.archive.org/web/20250321152616/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html

[Various Sources] https://web.archive.org/web/20250321162434/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html

[Various Sources] https://www.horde.org/apps/imp

[Various Sources] https://www.horde.org/download/horde

[Various Sources] https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L23-L25

[Various Sources] https://www.horde.org/apps/horde

[Mailing List] https://lists.debian.org/debian-lts-announce/2025/04/msg00008.html

[Release Notes] https://github.com/horde/base/releases/tag/v5.2.23

[Release Notes] https://github.com/horde/imp/releases/tag/v6.2.27

[Release Notes] https://github.com/horde/webmail/releases/tag/v5.2.22

Scores

CVSS v3 7.2

EPSS 0.1861

EPSS Percentile 95.3%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2025-03-21

CWE

CWE-79

Status published

Products (1)

Horde/IMP < 6.2.27

Published Mar 21, 2025

Tracked Since Feb 18, 2026