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CVE Record

CVE-2011-5251: Open redirect vulnerability in forum/login.php in vBulletin 4.1.3 and earlier allows remote attackers to re...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an open redirect in older vBulletin login password-reset handling. A victim could be sent through a trusted forum URL and then redirected to an attacker-controlled site, supporting phishing. The sources do not indicate direct server compromise, data theft, or confirmed active exploitation. Exposure is most likely on public vBulletin forums running version 4.1.3 or earlier where the lost password flow remains reachable. The source bundle lists no normalized affected product records, so teams should verify version and route exposure directly. Prioritize if the organization operates public legacy vBulletin forums, especially customer-facing or branded communities. The likely impact is phishing enablement and reputational risk rather than direct infrastructure compromise. Mitigation focus: Inventory vBulletin forum deployments and confirm whether any run 4.1.3 or earlier.; Check vBulletin vendor guidance for the referenced phishing vector and available upgrade path.; Restrict redirect handling to trusted local destinations where application configuration permits..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0ADP providers
1Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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