Medium
Security advisory
OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with : as the replacement for the : character.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-35043
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:49 UTC · Revision 1
Source evidence
OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with : as the replacement for the : character.
osv:CVE-2021-35043
Complete source record
{
"id": "99f27be28855257a9ba4d9c52e1a7458493d9eced054fb3b3d56900d88d0b7de",
"url": "https://osv.dev/vulnerability/CVE-2021-35043",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-35043",
"summary": "OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with : as the replacement for the : character.",
"evidence": "osv:CVE-2021-35043",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-35043",
"aliases": [
"CVE-2021-35043",
"GHSA-9c8w-jrw3-q2c3"
],
"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/nahsra/antisamy",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "605b26a7f9c83535f844a8f0fa17d3d2e7761e80"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:antisamy_project:antisamy:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.6.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "605b26a7f9c83535f844a8f0fa17d3d2e7761e80"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.6.4"
}
]
}
}
],
"versions": [
"1.6.3",
"v1.6.2",
"v1.6.1",
"v1.6.0",
"v1.5.13",
"v1.5.12",
"v1.5.11",
"v1.5.10",
"v1.5.9",
"v1.5.8",
"v1.5.7"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-35043.json"
}
}
],
"modified": "2026-10-20T10:54:45.683176403Z",
"provider": "osv",
"references": [
"https://github.com/nahsra/antisamy/pull/87",
"https://github.com/nahsra/antisamy/releases/tag/v1.6.4",
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://www.oracle.com/security-alerts/cpujul2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:banking_enterprise_default_managment:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_enterprise_default_managment",
"extracted_events": [
{
"range": [
{
"introduced": "2.3.0"
},
{
"last_affected": "2.4.0"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_platform:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_platform",
"extracted_events": [
{
"range": [
{
"introduced": "2.3.0"
},
{
"last_affected": "2.4.1"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_enterprise_default_management:2.10.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_enterprise_default_management:2.12.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_enterprise_default_management:2.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_enterprise_default_management:2.7.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_enterprise_default_management:2.7.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_enterprise_default_management",
"extracted_events": [
{
"range": [
{
"introduced": "2.6.2"
},
{
"last_affected": "2.6.2"
},
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
},
{
"introduced": "2.7.1"
},
{
"last_affected": "2.7.1"
},
{
"introduced": "2.10.0"
},
{
"last_affected": "2.10.0"
},
{
"introduced": "2.12.0"
},
{
"last_affected": "2.12.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_party_management:2.7.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_party_management",
"extracted_events": [
{
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_platform:2.6.2:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_platform:2.7.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:banking_platform:2.7.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_platform",
"extracted_events": [
{
"range": [
{
"introduced": "2.6.2"
},
{
"last_affected": "2.6.2"
},
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
},
{
"introduced": "2.7.1"
},
{
"last_affected": "2.7.1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:insurance_policy_administration:11.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:insurance_policy_administration:11.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:insurance_policy_administration:11.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:insurance_policy_administration:11.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:insurance_policy_administration:11.3.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:insurance_policy_administration",
"extracted_events": [
{
"range": [
{
"introduced": "11.0.2"
},
{
"last_affected": "11.0.2"
},
{
"introduced": "11.1.0"
},
{
"last_affected": "11.1.0"
},
{
"introduced": "11.2.8"
},
{
"last_affected": "11.2.8"
},
{
"introduced": "11.3.0"
},
{
"last_affected": "11.3.0"
},
{
"introduced": "11.3.1"
},
{
"last_affected": "11.3.1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.4.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:middleware_common_libraries_and_tools",
"extracted_events": [
{
"range": [
{
"introduced": "12.2.1.3.0"
},
{
"last_affected": "12.2.1.3.0"
},
{
"introduced": "12.2.1.4.0"
},
{
"last_affected": "12.2.1.4.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:retail_back_office:14.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_back_office:14.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:retail_back_office",
"extracted_events": [
{
"range": [
{
"introduced": "14.0"
},
{
"last_affected": "14.0"
},
{
"introduced": "14.1"
},
{
"last_affected": "14.1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:retail_central_office:14.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_central_office:14.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:retail_central_office",
"extracted_events": [
{
"range": [
{
"introduced": "14.0"
},
{
"last_affected": "14.0"
},
{
"introduced": "14.1"
},
{
"last_affected": "14.1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:retail_returns_management:14.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_returns_management:14.1:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:retail_returns_management",
"extracted_events": [
{
"range": [
{
"introduced": "14.0"
},
{
"last_affected": "14.0"
},
{
"introduced": "14.1"
},
{
"last_affected": "14.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-35043",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386105,
"published_at": "2021-07-19T15:15:07.747+00:00"
}