Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Network-reachable with no auth needed, but user must follow crafted link; scope changes to external site; only confidentiality impact via phishing, no integrity or availability effect.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.43 does not validate a redirect parameter supplied during user registration before using it, allowing unauthenticated attackers to redirect users to arbitrary external URLs.
AnalysisAI
Open redirect in MasterStudy LMS WordPress Plugin before version 3.7.43 enables unauthenticated attackers to supply an unvalidated redirect parameter during user registration, silently forwarding newly registered users to arbitrary external URLs. This creates a reliable phishing vector: an attacker crafts a registration link pointing to a spoofed login page, and the plugin delivers the victim there immediately post-registration without warning. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target WordPress site has open user self-registration enabled (the default WordPress setting 'Anyone can register' must be active, or MasterStudy's own registration must be accessible). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.7 with vector AV:N/AC:L/PR:N/UI:R/S:C/C:L reflects an accurate characterization: network-reachable, trivially exploitable, requiring no authentication, but dependent on a real user completing registration via a crafted URL (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade MasterStudy LMS WordPress Plugin to version 3.7.43 or later, which is confirmed as the vendor-patched release per EUVD-2026-68064 and the WPScan advisory (https://wpscan.com/vulnerability/f6f89b50-3087-4fb6-ba12-93fdc1bcc9ed/). … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Open Redirect
View allA malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL ca
GFI Kerio Control versions 9.2.5 through 9.4.5 contain an HTTP response splitting vulnerability in the dest parameter of
PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect
Multiple open redirect vulnerabilities in Apache Struts 2.0.0 through 2.3.15 allow remote attackers to redirect users to
Open redirect vulnerability in age-verification.php in the Age Verification plugin 0.4 and earlier for WordPress allows
Open redirect vulnerability in Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.29, 8.x before 8.0.0.18, 9.0 b
Vulnerability in the Oracle Applications Framework component of Oracle E-Business Suite (subcomponent: Popup windows (li
Unspecified vulnerability in the Oracle Application Server Single Sign-On component in Oracle Fusion Middleware 10.1.4.3
Flarum is open source discussion platform software. Rated medium severity (CVSS 6.5), this vulnerability is remotely exp
Open redirect vulnerability in Novius OS 5.0.1 (Elche) allows remote attackers to redirect users to arbitrary web sites
Open redirect vulnerability in the Redirect function in stageshow_redirect.php in the StageShow plugin before 5.0.9 for
Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link. Rated crit
Share
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-68064
GHSA-368m-gh85-cq79