EUVD-2026-76953
GHSA-w78c-fx7q-9x8m
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Network-exploitable with no privileges; victim click required (UI:R); scope changes to external domain; only low confidentiality impact via phishing facilitation.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The User Registration & Membership WordPress plugin before 5.2.8 does not validate the destination of a post-login redirect before redirecting, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL, which can be abused for phishing.
AnalysisAI
Open redirect in the User Registration & Membership WordPress plugin before 5.2.8 permits unauthenticated attackers to craft post-login redirect URLs pointing to arbitrary external domains, enabling phishing campaigns targeting site visitors. The plugin fails to validate the destination parameter before executing the redirect, meaning any visitor who follows a specially crafted login link is silently forwarded to an attacker-controlled page after authenticating. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target WordPress site has the User Registration & Membership plugin installed and active at a version below 5.2.8, and that the plugin's post-login redirect feature is in use (i.e., the login form accepts and processes an external redirect_to parameter). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.7 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N) is moderate and accurately captures the nature of this vulnerability: no authentication or special conditions are required of the attacker, but victim interaction is necessary and impact is limited to a scope-changed low confidentiality effect. … 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 | Update the User Registration & Membership plugin to version 5.2.8 or later, which contains the vendor-released fix per the WPScan advisory at https://wpscan.com/vulnerability/0af2c06d-87a0-4be7-a409-ffb7ad958aad/ and the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-80072. … Detailed patch versions, workarounds, and compensating controls in full report. |
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