Medium
Security advisory
In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-20677
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:18 UTC · Revision 1
Source evidence
In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property.
osv:CVE-2018-20677
Complete source record
{
"id": "56c68b2f79ebd57ba97c7ca7d4c2c6a8b18ea7088978d36a33504acc3932ca31",
"url": "https://osv.dev/vulnerability/CVE-2018-20677",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-20677",
"summary": "In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property.",
"evidence": "osv:CVE-2018-20677",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-20677",
"aliases": [
"CVE-2018-20677",
"GHSA-ph58-4vrj-w6hr"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/twbs/bootstrap",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "4c547f2175b9a05aa43551f6927da83fe249ce42"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:getbootstrap:bootstrap:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.4.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.3.7",
"v3.3.6",
"v3.3.5",
"v3.3.4",
"v3.3.2",
"v3.3.1",
"v3.3.0",
"v3.2.0",
"v3.0.3",
"v3.0.1",
"v3.0.2",
"v3.0.0-rc1",
"v2.1.0",
"v2.0.4",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v1.4.0",
"v1.3.0",
"v1.2.0",
"v1.1.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20677.json"
}
}
],
"modified": "2026-10-20T10:50:06.656709080Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e%40%3Cdev.superset.apache.org%3E",
"https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E",
"https://www.tenable.com/security/tns-2021-14",
"https://access.redhat.com/errata/RHBA-2019:1076",
"https://access.redhat.com/errata/RHBA-2019:1570",
"https://access.redhat.com/errata/RHSA-2019:1456",
"https://access.redhat.com/errata/RHSA-2019:3023",
"https://access.redhat.com/errata/RHSA-2020:0132",
"https://access.redhat.com/errata/RHSA-2020:0133",
"https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/",
"https://github.com/twbs/bootstrap/issues/27045",
"https://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906",
"https://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628",
"https://github.com/twbs/bootstrap/pull/27047"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-20677",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381292,
"published_at": "2019-01-09T05:29:01.397+00:00"
}