Medium
Security advisory
An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exploited for example to mount effective phishing attacks.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-16652
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:38 UTC · Revision 1
Source evidence
An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exploited for example to mount effective phishing attacks.
osv:CVE-2017-16652
Complete source record
{
"id": "2e66fd7d452bd3ef6aa99517f95ca53e89258e58c3978d878410fc4ca343ef45",
"url": "https://osv.dev/vulnerability/CVE-2017-16652",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-16652",
"summary": "An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exploited for example to mount effective phishing attacks.",
"evidence": "osv:CVE-2017-16652",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-16652",
"aliases": [
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"GHSA-r7p7-qr7p-2rrf"
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"modified": "2026-10-24T10:30:21.195411753Z",
"provider": "osv",
"references": [
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},
"source_id": "core-osv",
"document_id": 430437,
"published_at": "2018-06-13T16:29:00.267+00:00"
}