CVE-2025-30349

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 5.02% Top 15%
Affected: Horde IMP
Published at:
Updated at:

References

Link Tags
https://github.com/horde/webmail/releases/tag/v5.2.22
https://www.horde.org/apps/imp
https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
https://web.archive.org/web/20250321152616/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.html
https://www.horde.org/download/horde
https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L61-L62
https://www.horde.org/apps/horde
https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L23-L25
https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
https://github.com/horde/imp/releases/tag/v6.2.27
https://github.com/horde/base/releases/tag/v5.2.23
https://web.archive.org/web/20250321162434/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.html
https://github.com/natasaka/CVE-2025-30349/
https://lists.debian.org/debian-lts-announce/2025/04/msg00008.html

Frequently Asked Questions

What is the severity of CVE-2025-30349?
CVE-2025-30349 has been scored as a high severity vulnerability.
How to fix CVE-2025-30349?
To fix CVE-2025-30349, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-30349 being actively exploited in the wild?
It is possible that CVE-2025-30349 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30349?
CVE-2025-30349 affects Horde IMP.
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