Medium
dokuwiki — security advisory
DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that allows attackers to identify valid user accounts. Attackers can submit different usernames to the password reset endpoint and distinguish between existing and non-existing accounts by analyzing the server's error response messages.
- Products
- dokuwiki
- Affected versions
- 0.0.20140929.d-1, 0.0.20140929.d-1ubuntu1, 0.0.20160626.a-2, 0.0.20180422.a-2, 0.0.20180422.a-2.1, 0.0.20220731.a-2, 2024-02-06b+dfsg-4, 2024-02-06b+dfsg-9, 2025-05-14.a+dfsg-4, 2025-05-14.b+dfsg-1, 2025-05-14.b+dfsg-2, 2025-05-14.b+dfsg-3, 2025-05-14.b+dfsg-4, 2025-05-14.b+dfsg-5, 2025-05-14.b+dfsg-6, 2026-07-14.a+dfsg-2
- Fixed versions
- Not specified
- CVEs
- CVE-2019-25338
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:36 UTC · Revision 1
Source evidence
DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that allows attackers to identify valid user accounts. Attackers can submit different usernames to the password reset endpoint and distinguish between existing and non-existing accounts by analyzing the server's error response messages.
osv:UBUNTU-CVE-2019-25338
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
dokuwiki
Fixed versions: Not specified
Complete source record
{
"id": "ab08bcb225283c65f47b32f0b3e857d97e259379ef3c770ef36d18f32fe9b41c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2019-25338",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2019-25338",
"summary": "DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that allows attackers to identify valid user accounts. Attackers can submit different usernames to the password reset endpoint and distinguish between existing and non-existing accounts by analyzing the server's error response messages.",
"evidence": "osv:UBUNTU-CVE-2019-25338",
"products": [
{
"name": {
"value": "dokuwiki",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.0.20140929.d-1",
"evidence": "/affected/0/versions"
},
{
"value": "0.0.20140929.d-1ubuntu1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/1/versions"
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]
},
{
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{
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"evidence": "/affected/3/versions"
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},
{
"name": {
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"evidence": "/affected/4/package/name"
},
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
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},
{
"name": {
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"evidence": "/affected/5/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/5/versions"
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{
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"evidence": "/affected/5/versions"
}
]
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
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"fixed_versions": [],
"affected_versions": [
{
"value": "2025-05-14.b+dfsg-5",
"evidence": "/affected/6/versions"
},
{
"value": "2025-05-14.b+dfsg-6",
"evidence": "/affected/6/versions"
},
{
"value": "2026-07-14.a+dfsg-2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "dokuwiki",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2024-02-06b+dfsg-9",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.a+dfsg-4",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.b+dfsg-1",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.b+dfsg-2",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.b+dfsg-3",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.b+dfsg-4",
"evidence": "/affected/7/versions"
},
{
"value": "2025-05-14.b+dfsg-5",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2019-25338",
"aliases": [
"UBUNTU-CVE-2019-25338"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/dokuwiki?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"0.0.20140929.d-1",
"0.0.20140929.d-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-25338.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dokuwiki",
"binary_version": "0.0.20140929.d-1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "dokuwiki",
"purl": "pkg:deb/ubuntu/dokuwiki?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"0.0.20160626.a-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-25338.json"
},
"ecosystem_specific": {
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{
"binary_name": "dokuwiki",
"binary_version": "0.0.20160626.a-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "dokuwiki",
"purl": "pkg:deb/ubuntu/dokuwiki?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"0.0.20180422.a-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-25338.json"
},
"ecosystem_specific": {
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}
]
}
},
{
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],
"package": {
"name": "dokuwiki",
"purl": "pkg:deb/ubuntu/dokuwiki?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"0.0.20180422.a-2.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-25338.json"
},
"ecosystem_specific": {
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"package": {
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"database_specific": {
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],
"package": {
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2024-02-06b+dfsg-4",
"2024-02-06b+dfsg-9"
],
"database_specific": {
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},
"ecosystem_specific": {
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},
"ecosystem_specific": {
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{
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"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
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"2025-05-14.a+dfsg-4",
"2025-05-14.b+dfsg-1",
"2025-05-14.b+dfsg-2",
"2025-05-14.b+dfsg-3",
"2025-05-14.b+dfsg-4",
"2025-05-14.b+dfsg-5"
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"database_specific": {
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},
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{
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},
{
"binary_name": "dokuwiki-farm",
"binary_version": "2025-05-14.b+dfsg-5"
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]
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}
],
"modified": "2026-10-17T12:55:49.715367892Z",
"provider": "osv",
"upstream": [
"CVE-2019-25338"
],
"references": [
"https://ubuntu.com/security/CVE-2019-25338",
"https://www.cve.org/CVERecord?id=CVE-2019-25338",
"https://download.dokuwiki.org/",
"https://www.dokuwiki.org/dokuwiki",
"https://www.exploit-db.com/exploits/47731",
"https://www.vulncheck.com/advisories/dokuwiki-b-username-enumeration"
]
},
"related_cves": [
{
"value": "CVE-2019-25338",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/2/score"
},
"source_id": "core-osv",
"document_id": 354120,
"published_at": "2026-02-12T23:16:00+00:00"
}