EUVD-2026-81341
GHSA-37px-v36p-7jmx
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated remote login-as-any-user with no interaction gives PR:N/UI:N/AC:L; administrator takeover yields full C:H/I:H/A:H, scope unchanged within WordPress.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The Login with QR WordPress plugin through 1.0.0 does not verify that the code used to log a user in is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.
Articles & Coverage 1
AnalysisAI
Unauthenticated attackers can log in as any user, including administrators, in the WordPress plugin Login with QR through version 1.0.0 because it fails to verify that the QR login code was issued by the plugin, instead matching any stored user metadata value. This critical authentication bypass (CVSS 9.8) requires no authentication or user interaction and is remotely exploitable against default configurations, with publicly available exploit code but no confirmation of active exploitation in the wild. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against default configurations of the Login with QR WordPress plugin (versions through 1.0.0). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine top-priority issue. … 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 | No vendor-released patch was identified in the available intelligence at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every WordPress instance under your control for the Login with QR plugin and immediately deactivate and delete any installation at or below version 1.0.0, since no vendor-released patch has been identified at time of analysis; if a site cannot be taken out of service, place it behind network or identity-based access restrictions and enable heightened logging on authentication events. …
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View allSame technique Authentication Bypass
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External POC / Exploit Code
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