CVE-2011-5251
UnknownEPSS 1.53%
Last modified
CVE-2011-5251 is a vulnerability of currently unknown severity. Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.. EPSS estimates a 1.53% chance of exploitation in the next 30 days.
Description
Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vbulletin | Vbulletin | <= 4.1.3 |
| Vbulletin | Vbulletin | 4.0.0 |
| Vbulletin | Vbulletin | 4.0.1 |
| Vbulletin | Vbulletin | 4.0.2 |
| Vbulletin | Vbulletin | 4.0.3 |
| Vbulletin | Vbulletin | 4.0.4 |
| Vbulletin | Vbulletin | 4.0.5 |
| Vbulletin | Vbulletin | 4.0.6 |
| Vbulletin | Vbulletin | 4.0.7 |
| Vbulletin | Vbulletin | 4.0.8 |
| Vbulletin | Vbulletin | 4.1 |
| Vbulletin | Vbulletin | 4.1.1 |
| Vbulletin | Vbulletin | 4.1.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-5251?
Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter in a lostpw action.
How severe is CVE-2011-5251?
Severity scoring for CVE-2011-5251 is pending analysis. The EPSS model estimates a 1.53% probability of exploitation in the next 30 days.
How do I fix CVE-2011-5251?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2011-5251?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST