High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-30349
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:01 UTC · Revision 1
Source evidence
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.
osv:CVE-2025-30349
Complete source record
{
"id": "19704de39fd8d3eae85d82102c929bb8a8d155f7fe237f1aaa0031aac2389e92",
"url": "https://osv.dev/vulnerability/CVE-2025-30349",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-30349",
"summary": "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.",
"evidence": "osv:CVE-2025-30349",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-30349",
"aliases": [
"CVE-2025-30349"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/horde/base",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "ca32251e62b2ed91594da81ca2e5d34b85a03d03"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "5.2.23"
}
],
"source": "DESCRIPTION"
},
{
"range": [
{
"fixed": "ca32251e62b2ed91594da81ca2e5d34b85a03d03"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v5.2.23"
}
]
}
},
{
"repo": "https://github.com/horde/imp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "d8415bd1e8c0d07302e974294522c28af280ba2a"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "6.2.27"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "d8415bd1e8c0d07302e974294522c28af280ba2a"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v6.2.27"
}
]
}
},
{
"repo": "https://github.com/horde/webmail",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9443d11b0d68ee718b59c27fbe360e4a0ae95c60"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "9443d11b0d68ee718b59c27fbe360e4a0ae95c60"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v5.2.22"
}
]
}
}
],
"versions": [
"v5.2.21",
"v5.2.20",
"v5.2.19",
"v5.2.18",
"v5.2.17",
"v5.2.16",
"v5.2.15",
"v5.2.14",
"v5.2.13",
"v5.2.12",
"v5.2.11",
"v5.2.10",
"v5.2.9",
"v5.2.8",
"v5.2.7",
"v5.2.6",
"v5.2.5",
"v5.2.4",
"v5.2.3",
"v5.2.2",
"v5.2.1",
"v5.2.0",
"v5.2.0rc2",
"v5.2.0rc1",
"v5.2.0beta2",
"v5.2.0beta1",
"v5.2.0alpha1",
"v5.1.5",
"v5.1.4",
"v5.1.3",
"v5.1.2",
"v5.1.1",
"v5.1.0",
"v5.1.0rc1",
"v5.1.0beta3",
"v5.1.0beta2",
"v5.1.0beta1",
"v5.0.4",
"v5.0.3",
"v5.0.2",
"v5.0.1",
"v5.0.0",
"v5.0.0rc1",
"v5.0.0beta6",
"v5.0.0beta5",
"v5.0.0beta4",
"v5.0.0beta3",
"v5.0.0beta2",
"v5.0.0beta1",
"v5.0.0alpha1",
"v4.0.1",
"v4.0.0",
"v4.0.0rc2",
"v4.0.0rc1",
"v4.0.0beta1",
"v6.2.26",
"v6.2.25",
"v6.2.24",
"v6.2.23",
"v6.2.22",
"v6.2.21",
"v6.2.20",
"v6.2.19",
"v6.2.18",
"v6.2.17",
"v6.2.16",
"v6.2.15",
"v6.2.14",
"v6.2.13",
"v6.2.12",
"v6.2.11",
"v6.2.10",
"v6.2.9",
"v6.2.8",
"v6.2.7",
"v6.2.6",
"v6.2.5",
"v6.2.4",
"v6.2.3",
"v6.2.2",
"v6.2.1",
"v6.2.0",
"v6.2.0rc1",
"v6.2.0beta3",
"v6.2.0beta2",
"v6.2.0beta1",
"v6.2.0alpha1",
"v6.1.6",
"v6.1.5",
"v6.1.4",
"v6.1.3",
"v6.1.2",
"v6.1.1",
"v6.1.0",
"v6.1.0rc1",
"v6.1.0beta2",
"v6.1.0beta1",
"v6.0.4",
"v6.0.3",
"v6.0.2",
"v6.0.1",
"v6.0.0",
"v6.0.0rc2",
"v6.0.0rc1",
"v6.0.0beta4",
"v6.0.0beta3",
"v5.0.22",
"v5.0.21",
"v5.0.20",
"v5.0.19",
"v5.0.18",
"v5.0.17",
"v5.0.16",
"v5.0.15",
"v5.0.14",
"v5.0.13",
"v5.0.12",
"v5.0.11",
"v5.0.10",
"v5.0.9",
"v5.0.8",
"v5.0.7",
"v5.0.6",
"v5.0.5",
"v5.0.0rc2",
"v4.0.6",
"v4.0.5",
"v4.0.4",
"v4.0.3",
"v4.0.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-30349.json"
}
}
],
"modified": "2026-10-28T02:30:30.173914772Z",
"provider": "osv",
"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.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",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/30xxx/CVE-2025-30349.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-30349"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/30xxx/CVE-2025-30349.json"
}
},
"related_cves": [
{
"value": "CVE-2025-30349",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497094,
"published_at": "2025-03-21T00:00:00+00:00"
}