CVE-2011-5251
Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
5.8
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.
- Record
CVE-2011-5251- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-5251- Updated
- 2026-11-02
EUVDEUVD-2011-5150 No score
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.
- Record
EUVD-2011-5150- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5fjp-86vc-f4r2 No score
Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote...
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.
- Record
GHSA-5fjp-86vc-f4r2- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-5251 is a medium vulnerability (CVSS 5.8) in Vbulletin, published December 31, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.