Medium
Security advisory
An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-7936
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:49 UTC · Revision 1
Source evidence
An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.
osv:CVE-2020-7936
Complete source record
{
"id": "44ad074c519346a1dbb3909bd38dbd4362a16c52e75dff5dbe77f5471eed16b1",
"url": "https://osv.dev/vulnerability/CVE-2020-7936",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-7936",
"summary": "An open redirect on the login form (and possibly other places) in Plone 4.0 through 5.2.1 allows an attacker to craft a link to a Plone Site that, when followed, and possibly after login, will redirect to an attacker's site.",
"evidence": "osv:CVE-2020-7936",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-7936",
"aliases": [
"CVE-2020-7936",
"GHSA-82j9-wfcf-9v2h",
"PYSEC-2020-85"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/plone/plone",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "0bbf455c2dbae410102dc34522bbba97e6003bd7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0"
},
{
"last_affected": "5.2.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"5.2b1",
"5.2a2",
"5.2a1",
"5.1rc1",
"5.1b4",
"5.1b3",
"5.1b2",
"5.1b1",
"5.1a2",
"5.1a1",
"5.0.2",
"5.0.1",
"5.0",
"5.0rc3",
"5.0rc2",
"5.0rc1",
"5.0b4",
"5.0b3",
"5.0b1",
"5.0a3",
"5.0a2",
"4.3.1",
"4.3",
"4.3b2",
"4.3b1",
"4.3a2",
"4.3a1",
"4.2b2",
"4.2b1",
"4.1.0",
"4.2a2",
"4.2a1",
"4.1rc3",
"4.1rc2",
"4.1rc1",
"4.1b2",
"4.1b1",
"4.1a3",
"4.1a2",
"4.1a1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7936.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/plone/plone.namedfile",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "e26f4f1da7426788f395b81e6607ac759956ad30"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0.0"
},
{
"last_affected": "5.2.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"5.2.1",
"5.2.0",
"5.1.0",
"5.0.5",
"5.0.4",
"5.0.3",
"5.0.2",
"5.0.1",
"4.2.3",
"4.2.2",
"4.2.1",
"4.2.0",
"4.1.2",
"4.1.1",
"4.1",
"4.0",
"3.0.8",
"3.0.7",
"3.0.6",
"3.0.4",
"3.0.3",
"3.0.2",
"3.0.1",
"3.0.0",
"2.1.0",
"2.0.5",
"2.0.4",
"2.0.3",
"2.0.2",
"2.0.1",
"2.0",
"1.0.6",
"1.0.5",
"1.0.4",
"1.0.3",
"1.0.2",
"1.0.1",
"1.0",
"1.0b8",
"1.0b7",
"1.0b6",
"1.0b5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7936.json"
}
}
],
"modified": "2026-10-24T10:30:44.929438479Z",
"provider": "osv",
"references": [
"https://plone.org/security/hotfix/20200121",
"https://plone.org/security/hotfix/20200121/an-open-redirection-on-the-login-form-and-possibly-other-places",
"https://www.openwall.com/lists/oss-security/2020/01/22/1"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-7936",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435998,
"published_at": "2020-01-23T21:15:13.21+00:00"
}