CVE-2025-30349
75Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actcvss 7.2epss 30%
from disclosure to weapon6 days
Published on NVDMar 21
1st PoC+6d
VulnCheckMar 21
exploitation probability
30%top 2% of all CVEs
observed exploitation
yesVulnCheck
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
Horde · IMPpublic PoCs found — 1
vulncheckvulncheck.com/xdb/e071c412ffedunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/horde/base/releases/tag/v5.2.23https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L23-L25https://github.com/horde/imp/blob/fd9212ca3b72ff834504af4886f7d95138619bd4/doc/INSTALL.rst?plain=1#L61-L62https://github.com/horde/imp/releases/tag/v6.2.27https://github.com/horde/webmail/releases/tag/v5.2.22https://github.com/natasaka/CVE-2025-30349/https://lists.debian.org/debian-lts-announce/2025/04/msg00008.htmlhttps://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.htmlhttps://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.htmlhttps://web.archive.org/web/20250321152616/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057781.htmlhttps://web.archive.org/web/20250321162434/https://lists.horde.org/archives/imp/Week-of-Mon-20250317/057784.htmlhttps://www.horde.org/apps/horde